Turning 12 is a big deal. Your brother is stepping into the last year before becoming a teen. It’s the perfect time to make him feel loved, appreciated, and excited for the future.
Below are 72 heartfelt and simple birthday wishes to help you celebrate your brother’s 12th birthday in a meaningful way.
Happy 12th Birthday Wishes for Brother
Happy 12th birthday, bro!
You’re growing up fast and looking cool.
Hope your day is full of fun and laughter.
I’m lucky to have a brother like you.
You make every day better just by being you.
Enjoy every moment of your special day.
You’re not a little kid anymore—wow!
You’ve got the best smile ever.
I hope this year brings you happiness and fun.
You’re my favorite partner in crime.
You’re one of a kind, brother.
Keep being awesome always!
Heartwarming 12th Birthday Wishes for Brother
You bring joy to our family every single day.
You’re growing into someone truly special.
You make us smile just by being around.
I’m proud of the kind person you are.
You have the biggest heart.
I’m grateful for all the laughs we share.
You’ve brought so much love into our lives.
You always know how to cheer people up.
You’re full of kindness and fun.
You’re a true blessing in our lives.
You make our family complete.
Always stay true to yourself.
Emotional 12th Birthday Wishes for Brother
Watching you grow is the best feeling ever.
You’ve made every year brighter.
I’ll always remember the day you were born.
You are deeply loved and always will be.
You’ve grown into such a thoughtful person.
I’ll always be here for you, no matter what.
You’ve made life better in every way.
I admire how strong and caring you are.
You’re more than a brother—you’re a gift.
You’ll always have my heart.
I’m proud to see the person you’re becoming.
I love you more than words can say.
12th Birthday Wishes for Brother from Sister
Happy 12th birthday, little bro!
You make my days more fun.
I’m proud to be your sister.
You’re always there when I need a laugh.
I love the bond we share.
You’re cool, smart, and full of fun.
I’ll always be here to cheer you on.
You bring so much joy to our lives.
I love seeing you grow.
You’re one of my favorite people ever.
Thanks for being such a great brother.
I’ll always have your back.
12th Birthday Wishes for Brother from Brother
Happy birthday, dude!
You’re more than just my brother—you’re my friend.
I love hanging out with you.
You’re growing into a strong and cool guy.
I’m proud to be your brother.
We make a great team.
You’re awesome just the way you are.
Let’s make this birthday unforgettable.
You always bring the fun.
You’re a true legend, bro.
I’ve got your back—always.
Let’s go play and celebrate you today!
Funny 12th Birthday Wishes for Brother
You’re 12 now—time to act your age (or not).
Happy birthday! You still owe me candy.
Don’t worry, you’re still shorter than me.
Congrats on another year of bugging me!
I was going to get you a gift—but I forgot.
You’re officially old enough to babysit me now.
Hope your cake is bigger than your appetite.
Just kidding, you’re awesome—even if you’re annoying.
I’m still cooler, but you’re catching up.
Here’s to 12 years of chaos and fun.
You survived 12 years with me—well done!
May your jokes get better with age!