80+ Brother Captions for the Guy Who Always Has Your Back 

From funny to loving, the best brother captions will capture all the moments you want to share.

Published January 4, 2023
Two Brothers Having Fun Playing Computer Games Together

Maybe you've found the perfect picture of your brother and you together. It's totally nostalgic of the time when you were frenemies. You had big hair, and he, well, there aren't any words for that. So, how can you make the caption perfect? Don't stress about it; try out a unique brother caption. Or, you might just read through them to get a little inspiration. Now, it's time to focus on what really matters to your followers - that hair!

There are lots of occasions worth looking for that just-right brother caption. You might be sharing one of those everyday moments that are anything from sentimental to downright funny. With captions like these, you can't bro wrong!

Short Instagram Captions to Highlight Your Brother

Cute boys playing and posing

Real brothers stand beside you no matter what. Well, when they aren't trying to annoy you! Let the world know about the cool side of your brother with a short phrase in your post.

  • There in a moment's notice. #brothers
  • Sisters always look up to their brothers, even the little ones.
  • Life is full of beautiful brotherly moments.
  • Just me and my remix.
  • When you bro, ya bro!
  • Unbreakable connection of brothers. #beautifulbond

Fun Brother Captions to Make Your Heart Bro Fonder

Brother and sister cuddling on beach at dusk

Your brother knows how to push every button you have. He'll also lend you his shoulder to cry on. Sometimes, in the same hour. From always having your back to bullying you incessantly, a brother is your greatest frenemy. Have a little fun with your brother on Instagram.

  • A brother's magic spell… annoyance-a.
  • Just a few of my favorite things - my brothers.
  • A brother is a diamond in the shape of a stone.
  • Brothers: Only you can insult them. Anyone else, and it's fighting words.
  • Your brother knows how to strike every nerve to irritate you.
  • You're half of me, bro. Literally, we share half the same DNA.
  • A brother will always laugh at you when you fall. And be the first to give you a hand.
  • Big love leads to big fights among brothers.

Big Brother Captions to Show Them You Care

If you're going through pictures of your brother and you together, the moments might bring a smile to your mouth and possibly a tear to your eye. Share them with your friends and add the perfect caption to celebrate your big bro.

  • If you can't do it, ask your big brother.
  • Big brothers are like a dad times two when it comes to little siblings.
  • A big brother is always there to stick up for you, even when the world won't.
  • Big brothers do everything big. Big hearts, big hugs, big love, and a big pain in the butt.
  • When you're too small to do it, there is a big brother standing behind you.
  • Your heart feels secure when your big brother is holding your hand.
  • Rivalry is about to begin. Big brother life!
  • Teasing is a big brother's love language.
  • A careful big brother knows a little guy is always following him.
  • Inspiration looks a lot like a big brother.

Little Brother Captions to Show Your Connection

Sometimes siblings want a little brother more than words can define. Other times, they aren't so hip on sharing the limelight. However, you get used to them. You even get a bit protective of them. Make it clear to the world your little brother is special.

  • A little brother's the gift you learn to love.
  • I might look up to you, but I'm still the older little brother.
  • Big adventures are found with a little brother by your side.
  • Your protective side shows when you have a little brother holding your hand.
  • "Oh, brother" is more than just an expression with a little brother following you.
  • Just remember, little man! I was here first.

Captions That Assert Your Love for Your Brother

Two brothers play fighting

The love you feel in your heart for your brother is always there - even if the words don't fall out of your lips as easily as it should sometimes. Share one of the most wonderful relationships in your life on your timeline.

  • You fill my childhood memories and my heart, brother.
  • It's hard to admit I love my brother, but there it is.
  • Teasing you is how I say, "I love you, brother."
  • Wrestling is the new brotherly "I love you."
  • Why would I say "I love you" when I can irritate you?
  • The love between brothers doesn't need words.
  • Making my brother laugh is the best way to show I love you.
  • You never live in a brother's shadow. You live in the glow of his love.

Best Brother Instagram Captions to Show You Have His Back

Two Young Men Playing Video Game

Brothers are often fiercely loyal to their families. Show the world they are a force to be reckoned with.

  • I will always have my brother's back.
  • Mess with my brother. Mess with me.
  • My brother's keeper is me. Remember that.
  • My brother and I are a package deal.
  • Protection is part of brotherhood.
  • Brothers are your besties. A bro-stie!
  • Brothers are knit together in love.

Brother Captions That Say It All

Two brothers looking at each other at home

With brothers, you have inside jokes, special memories from childhood, and a bond forged in love. Capture the right words to tell the world how one-of-a-kind your brother is.

  • A brother drives you to greatness. Whether or not you want to go.
  • My brother is an indestructible ship in a stormy sea.
  • A brother is a hero, and an idol, wrapped in one.
  • Security and comfort are there just by your brother standing next to you.
  • Brothers are the first ones to teach you to fight. They're also the reason you're good at it.

Questions to Ask on Insta With Brother Pictures

If you're going to make a brother post, you better do it right. Add a cool question to captivate and invite your audience to comment.

  • Do you believe he's my brother? How'd I get so lucky?
  • Did you realize how much a brother treasures his sister?
  • Is there anything sweeter than those simple moments of brotherly love?
  • How is it possible that they fight when they look that cute?
  • Do brothers need a cape and matching outfit to be a hero?
  • What do you think? Is he my biggest fan?
  • Does your brother have a bat symbol? Mine does!

Celebrate a Brother From Another Mother

There are the brothers that your parents made for you, and then there are those brothers of your heart. The bond between brothers from another mother can be just as strong as siblings.

  • The bond of brotherhood runs deeper than blood. Brotherhood is a connecting of souls.
  • A brother from another mother is a gift to yourself from the heart.
  • Because you're too cool not to make you my brother.
  • We aren't related, but we're brothers just the same.
  • Our paths merged and made us brothers.
  • Differences mean nothing when you meet the brother of your heart.
  • It started as a bromance and ended with a brother for life.
  • A bond forged in love and interests connected us as lifetime brothers.

Sentimental Messages for a Stepbrother

Calling all stepbrothers. These captions are for you! The love of a blended family can be fiercely loyal.

  • You were the brother I never knew I wanted.
  • There is nothing step about you. You are my brother.
  • You don't realize how important your stepbrothers are until you look back at your memories and smile.
  • You stepped right into our lives and became a fabulous brother.
  • Stepbrothers add more fun to a party.
  • Stepbrothers are bonded by more than marriage.
  • You can't have him. This stepbrother is mine.
  • Be jealous. My stepbrother radiates cool!

Fun Captions for National Brother's Day

Brother and sister playing outside

It's that time of year again. That one moment when you share a pic of your bro and how awesome they are to have you as a sibling. Make your caption worthy of National Brother's Day.

  • That's my brother. I guess I'll claim him.
  • Fighting is just part of having a brother. I'd rather fight with you than anyone else.
  • Brotherly love is a unique arrangement.
  • A brother isn't a friend you choose, but one you don't mind being stuck with.
  • Your childhood is full of memories of your brother. And you start to cherish them as you get older.
  • In the journey of life, I'm lucky to have a brother by my side.
  • My brother. A big heart with an even bigger mouth.
  • My brother makes the ride of life nothing short of extraordinary.
  • Brothers go from enemies to best friends in a blink.
  • No matter what, we always stand side by side, bro.

Brother Quotes to Show Instagram (and the World) Your Connection

Growing up with a brother is a one-of-a-kind experience. You may love them, but they might also drive you crazy. They can make you laugh when you are sad, but they might relish in teasing you until you cry. The bond with them changes as you age, but they are always your brother. Add these captions to a Snap, Insta, or even a scrapbook about your brother. They'll surely have something interesting to say about your post.

80+ Brother Captions for the Guy Who Always Has Your Back