Is your sister’s birthday just around the corner? Or is she about to graduate or get married? Perhaps she just got a great promotion at work? These are all moments worthy of celebrating your sister, and in addition to doing so in private, you might also feel inclined to gloat a little about how great your sister is in public as well.
Even if you just snapped a random photo of her, or of the two of you together, you maybe want to put some extra thought into how to best sister caption that for the social media audience. She’s an important part of your life and you want everyone to know it!
Enter our list of sister captions for Instagram! In order to caption your post in a way that’s sweet and cute, but also funny and smart, we’ve compiled a list of words captions as well as sister quote captions, to inspire you to come up with the best caption possible. Your sister will be so surprised and grateful for how you decide to memorize her on Instagram, whether it’s a post on the feed or a series of slides on your stories!
For more caption and hashtag ideas see: Friend Captions: 200+ Great Friendship Words for Instagram and 100+ Best Friend Hashtags for Forever Friendships
100+ of the Best Sister Captions for Instagram
Even if your sister may sometimes get you so riled up you are screaming bloody murder, at the end of the day she’s usually one of the most awesome friends you could ask for. And you’ll want her to know just how much you appreciate her, too! Sometimes the perfect sister captions on a selfie you two just took together is one that’ll get her smiling, even laughing. And on other occasions it’s the one that gets her heart bursting with pride and gratitude. Better yet, if you two have any inside jokes going on, you can never go wrong with those – and if by chance you don’t have one yet, perhaps the captions below may get you inspired to create one?
A good friend knows all of your best stories, but a sister was there to witness them.
A little sister time is good for the soul.
A loyal sister is worth a thousand friends.
A perfect sister I am not, but thankful for the one I’ve got.
A sister is a little bit of childhood that can never be lost.
A sister is both your mirror and your opposite.
A sister is for telling secrets and making promises that will never be broken.
A sister is God’s way of proving He doesn’t want us to walk alone.
A sister is someone who knows everything about you and loves you anyway.
A sister just gets it.
A sister shares childhood memories and grown-up dreams.
A true sister will stand by your side.
All you need is love…and a sister.
Always better together!
Always my sister, forever my friend.
Because I have a sister I will always have a friend.
BTBFF: Born together, best friends forever.
Do you think I am crazy? You should meet my sister!
Good Times + Crazy sister = Great Memories!
Happiness is being with my sister.
Having a sister is like having a best friend you can’t get rid of.
How do people make it through life without a sister?
I can’t solve all your problems, but I won’t let you face them alone.
I hate you but I love you bccause you’re basically me.
I may not be able to solve all of your problems, but I promise you won’t have to face them alone.
I smile because you are my sister, I laugh because you can’t do anything about it.
I think you should come back now. Mom is making my life miserable without you.
I was born with a sister by my side, so I’ve been winning at life since Day 1.
I’m the little sister. Rules don’t apply.
In the cookies of life, sisters are the chocolate chips.
Little sisters – the only person in the world you can blame for the things you did and get away with it.
Love is beautiful, sisterhood is better.
Making memories with you is my favorite thing to do.
My first friend, my best friend.
My sister is one of the best gifts my parents could have given me.
My sister will understand me even if I only say half a word.
One soul, two bodies.
Our relationship isn’t always perfect. But our outfits can be!
Our roots may say that we’re sisters, but our hearts know that we’re friends.
Saturday is for shopping with your sister.
She is my best friend. If you break her heart, I’ll break your face.
She was a gypsy spirit, hippie heart and fairy soul.
She’s the Mary-Kate to my Ashley.
She’s my sister, my best friend, my soul mate, and the best part of me.
Siblings are like sour patch candy. They are sour and sweet, all in one go.
Side by side, or miles apart sisters will always be connected by the heart.
Sister to sister we will always be, a couple of nuts off the family tree.
Sister, you are the SHE to my nanigans!
Sisterhood is a very powerful thing.
Sisters are different chocolates from the same box.
Sisters are different flowers from the same garden.
Sisters are for sharing laughter and wiping tears.
Sisters are like fat thighs they stick together!
Sisters before misters.
Sisters by chance, friends by choice!
Sisters don’t need words. They have perfected their own language of smiles, sighs, gasps, winks, and laughs.
Sisters help make the hard times easier and the easy times more fun.
Sisters make the best of friends
Sisters who slay together, stay together.
Sometimes, miracles come in pairs.
The only thing better than having you as my sister is my children one day having you as their aunt.
Through time may pass our sisterhood will last.
We are sisters. If I am mad at someone, you are mad at them too. End of story.
We don’t need words, because we have perfected our own secret language.
We may forget the years, but we will remember the moments.
We strive, we grumble, we cry, but we are inseparable at the end of the day.
When I say I won’t tell anyone, my sister doesn’t count.
When mom and dad don’t understand, a sister always will.
When the roots are deep, there is no reason to fear the wind.
You are a total pain in the ass and a painkiller too. You are the only one crazier than me but also the one to call when in need.
You can kid the world, but not your sister.
You think I am crazy? You should meet my sister!
You’re my Nemo. If you get lost in the great, big ocean, I’ll just keep swimming to find you.
Sister Quote Captions
The relationship and bond with your sister is a precious kind that has been expressed in many a quote over time. If you have a sister, you know this well; that despite all the anger and tears they may cause you on occasion, you wouldn’t trade her for any brother or lack of a sibling in the world. We may gush a lot about friendship or relationship goals, but a wholesome relationship with your sister is also a goal! So why not showcase that to the world – and most of all to her – by equipping a cute and a heartwarming quote with your latest sister photo on Instagram?
“A coward talks to everyone but YOU.” — Shannon L. Alder
“A Sister can be seen as someone who is both ourselves and very much not ourselves – a special kind of double.” — Toni Morrison
“A sister is a dearest friend, a closest enemy, and an angel at the time of need.” — Debasish Mridha
“A sister is a gift to the heart, a friend to the spirit, a golden thread to the meaning of life.” — Isadora James
“A sister is a little bit of childhood that can never be lost.” — Marion Garretty
“A sister is both your mirror – and your opposite.” — Elizabeth Fishel
“A sister is like yourself in a different movie, a movie that stars you in a different life.” — Deborah Tannen
“A sister shares childhood memories and grown-up dreams.” — Author Unknown
“A sister smiles when one tells stories—for she knows where the decoration has been added.” — Chris Montaigne
“A sister’s love is forever, and on your birthday I wish you nothing but the best.” — Danielle Duckery
“A woman without her sister is like a bird without her wings.” — Moosa Rahat
“An older sister is a friend and defender – a listener, conspirator, a counselor, and a sharer of delights. And sorrows too.” — Pam Brown
“As I grew up, one of my strongest allies has been my sister.” — Patti Smith
“Big sisters are the crab grass in the lawn of life.” — Charles M. Schulz
“Come on Grace, I’m not going to tell on you. I’m your sister.’ And that’s all she has to say.” — Robin Epstein
“For there is no friend like a sister in calm or stormy weather; To cheer one on the tedious way, to fetch one if one goes astray, to lift one if one totters down, to strengthen whilst one stands.” — Christina Rossetti
“Having a sister is like having a best friend you can’t get rid of. You know whatever you do, they’ll still be there.” — Amy Li
“Help one another, is part of the religion of sisterhood.” — Louisa May Alcott
“How do people make it through life without a sister?” — Sara Corpening
“Husbands come and go; children come and eventually they go. Friends grow up and move away. But the one thing that’s never lost is your sister.” — Gail Sheeny
“I always like to win. But I’m the big sister. I want to make sure she has everything, even if I don’t have anything. It’s hard. I love her too much. That’s what counts.” — Venus Williams
“I finally moved out of my parents’ house. It was only fair to let my sister have her own room.” — Kate Winslet
“I would like more sisters, that the taking out of one, might not leave such stillness.” — Emily Dickinson
“If sisters were free to express how they really feel, parents would hear this: ‘Give me all the attention and all the toys and send Rebecca to live with Grandma’.” — Linda Sunshine
“If you have a sister and she dies, do you stop saying you have one? Or are you always a sister, even when the other half of the equation is gone?” — Jodi Picoult
“If your sister is in a tearing hurry to go out and cannot catch your eye, she’s wearing your best sweater.” — Pam Brown
“In thee, my soul shall own combined the sister and the friend.” — Catherine Killigrew
“Is solace anywhere more comforting than in the arms of a sister?” — Alice Walker
“It’s hard to be responsible, adult and sensible all the time. How good it is to have a sister whose heart is as young as your own.” — Pam Brown
“Look inside any sister relationship and you’ll find a wealth of interesting stories.” — Colleen Sell
“Love, Mercy, and Grace, sisters all, attend your wounds of silence and hope.” — Aberjhani, The River of Winged Dreams
“More than Santa Claus, your sister knows when you’ve been bad and good.” — Linda Sunshine
“My sister ‘was the light of my life’” — Solomon Thomas
“My sister and I are so close that we finish each other’s sentences and often wonder who’s memories belong to whom.” — Shannon Celebi
“My sister and I truly are best friends.” — Solange Knowles
“My sister is a big part of my actual style. Our style is not similar whatsoever, but she helped me find myself and find what I really liked.” — Sofia Richie
“My sister is the one person who truly knows me, as I know her.” — Lisa See
“My sister taught me everything I really need to know, and she was only in sixth grade at the time.” — Linda Sunshine
“My sisters and my mom, those people help me get through every single day.” — Demi Lovato
“My sisters are my favorite people on earth.” — Ryan Phillippe
“Nobody fights you like your own sister; nobody else knows the most vulnerable parts of you and will aim for them without mercy.” — Jojo Moyes
“Of two sisters one is always the watcher, one the dancer.” — Louise Glück
“One of the best things about being an adult is the realization that you can share with your sister and still have plenty for yourself.” — Betsy Cohen
“Only a sister, an alternative self, could inspire such a sordid mix of disgust and envy.” — Namwali Serpell
“Parents die, daughters grow up and marry out, but sisters are for life.” — Lisa Lee
“She is the mother I never had, she is the sister everybody would want. She is the friend that everybody deserves. I don’t know a better person.” — Oprah Winfrey
“She is the only person left in the world who shares my memories.” — Lisa See
“She is your partner in crime, your midnight companion, someone who knows when you are smiling even in the dark.” — Barbara Alpert
“She’s always there for me when I need her. She’s my best friend. She’s just my everything.” — Ashley Olsen
“Sister is our first friend and second mother.” — Sunny Gupta
“Sister to sister we will always be, a couple of nuts off the family tree.” — Unknown
“Sister. She is your mirror, shining back at you with a world of possibilities. She is your witness, who sees you at your worst and best, and loves you anyway.” — Barbara Alpert
“Sisterhood is powerful.” — Robin Morgan
“Sisterly love is, of all sentiments, the most abstract. Nature does not grant it any functions.” — Ugo Betti
“Sisters are best friends, they are advisors, they are teachers, and best of all they are people with whom you can talk with about anything – someone you have a special bond with!” — Catherine Pulsifer
“Sisters are friends we have for a lifetime.” — Catherine Pulsifer
“Sisters are reliably good for two things: hating and loving.” — Jessica Knoll
“Sisters are the people we practice on, the people who teach us about fairness and cooperation and kindness and caring – quite often the hard way.” — Pamela Dugdale
“Sisters don’t need words. They have perfected a language of snarls and smiles and frowns and winks – expressions of shocked surprise and incredulity and disbelief. Sniffs and snorts and gasps and sighs – that can undermine any tale you’re telling.” — Pam Brown
“Sisters function as safety nets in a chaotic world simply by being there for each other.” — Carol Saline
“Sisters is probably the most competitive relationship within the family, but once the sisters are grown, it becomes the strongest relationship.” — Margaret Mead
“Sisters never quite forgive each other for what happened when they were five.” — Pam Brown
“Sisters share a bond unlike any other – thornier, but also tender, full of possibility.” — Joy McCullough
“Sisters share the scent and smells – the feel of a common childhood.” — Pam Brown
“Sisters will always love you tomorrow no matter what you do today.” — Marinela Reka
“Sisters, as you know, also have a unique relationship. This is the person who has known you your entire life, who should love you and stand by you no matter what, and yet it’s your sister who knows exactly where to drive the knife to hurt you the most.” — Lisa See
“Sisters. Because we all need someone who will defend us behind our back and then call us on our shit to our face.” — Brooke Hampto
“Sweet is the voice of a sister in the season of sorrow.” — Benjamin Disraeli
“That’s the best thing about little sisters: They spend so much time wishing they were elder sisters that in the end they’re far wiser than the elder ones could ever be.” — Gemma Burgess
“The best gift by god after your parents in this world is your sister.” — Sacheenrjain
“The best thing about having a sister was that I always had a friend.” — Cali Rae Turner
“The mildest, drowsiest sister has been known to turn tiger if her sibling is in trouble.” — Clara Ortega
“There is no better friend than a sister, and there is no better sister than you.” — Anonymous
“There’s nobody in the world that knows me better than my sister.” — Tia Mowry
“To have a loving relationship with a sister is not simply to have a buddy or a confident, it is to have a soulmate for life.” — Victoria Secunda
“To the outside world we all grow old. But not to brothers and sisters. We know each other as we always were. We know each other’s hearts. We share private family jokes. We remember family feuds and secrets, family griefs and joys. We live outside the touch of time.” — Clara Ortega
“We acquire friends and we make enemies, but our sisters come with the territory.” — Evelyn Loeb
“What are sisters for if not to point out the things the rest of the world is too polite to mention.” — Claire Cook
“What’s the good news if you haven’t a sister to share it with?” — James DeVries
“When our hair is white, we’ll still have our sister love.” — Lisa See
“When sisters stand shoulder to shoulder, who stands a chance against us?” — Pam Brown
“When traveling life’s journey it’s good to have a sister’s hand to hold on to.” — Anonymous
“Without her and her sickness, I would not be here. And without me being a perfect match for my sister, she would not be here as well.” — Marissa Ayala
“You can kid the world, but not your sister.” — Charlotte Gray
“You may be as different as the sun and the moon, but the same blood flows through both your hearts. You need her, as she needs you.” — George R.R. Martin
“You’re not my best friend. You’re my sister, and that’s more.” — Jenny Han
. . .
Having a sister to grow up with, and to go through life with, is an irreplaceable bonus in your life. Even if you’ll go through periods of life where you’re oceans apart – literally – that’s a statement that’ll hold forever true. And a cute post with some awesome sister captions will only strengthen that bond, regardless of whether you’re putting it there to commemorate a special day in her life, or if you just happened to snap a cute selfie together, or if you simply happened to think of her today. Publicly shower your sister with love today with a cutely captioned post on Instagram!
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