Happy Birthday, Brother-in-Law: 50 Thoughtful Wishes

Good friends taking a selfie at a party

Whether you are close with your brother-in-law, or just getting to know him better, sending him birthday wishes is a thoughtful way to show him you care about him. If you aren't sure how to say happy birthday to your brother-in-law, reading some birthday message examples can help you find the perfect note to write to him.

Happy Birthday Brother-in-Law

Sending your brother-in-law birthday wishes is a great way to connect with him and let him know you are thinking of him.

How Do You Wish Your Brother-in-Law Happy Birthday?

Some birthday messages include:

  • Wishing you the happiest of birthdays today! We are so happy to have you as part of our family and couldn't imagine it without you!
  • Have the best b-day today! You are an incredible person and deserve to have an extra perfect day!
  • Happy, happy birthday!! I could not ask for a better brother-in-law and feel so grateful to be a part of your life!
  • Happy Birthday to the best brother-in-law in the entire world! We love you so much!
  • Happy trip around the sun! So happy to be celebrating with you!
  • Wait, what day is it today? It's only my favorite brother-in-law's b-day! Hoping you have a day filled with lots of fun!
  • Happy b-day to an incredible brother-in-law and solid friend. Hoping you have a special day!
  • It's someone's b-day today!!! We hope you have an incredible day! We feel so honored to have you as part of our family!
  • We have loved getting to know you and hope you have a beautiful birthday filled with lots of yummy treats!
  • We can't wait to celebrate your birthday with you tonight! Wishing you a year of good health and happiness!
Young man blowing out the candles on his birthday cake

What Do I Say to My Brother-in-Law?

Birthday message options include:

  • This year, you take the cake! We're so happy that you've joined our family and hope you have a fantastic b-day!
  • You better believe we're going to party hard tonight! We can't wait to celebrate the best brother-in-law's b-day later!
  • Make a wish- it's your birthday! I feel so lucky to have such an amazing brother-in-law!
  • We are so happy you have joined our family and can't wait to celebrate your birthday with you!
  • You've not only made my sister beyond happy, but I also feel incredibly grateful to have a bonus brother who I know I can count on. You've been there for me when I needed advice or just a good laugh, and I wanted to thank you for that. I hope you have a wonderful birthday- you deserve it big time!
  • It's hard to express just how happy I am to have you in our family. I've truly loved getting to know you, and I can see why my brother has raved about you from the get go. I hope you have an amazing birthday filled with lots of love!
  • You're the best and deserve to have the most amazing birthday! I can't wait to celebrate with you later!
  • All of our lives changed when you joined our family three years ago, and we couldn't be happier. You are such a kind, loving, and thoughtful person and I hope you have a fantastic birthday- you deserve it!
  • Bust out the cake- it's party time! Tonight we celebrate you and all of your awesomeness! Happy b-day!!!
  • Happy b-day to our fave brother-in-law! You truly are the best!

Happy Birthday Brother-in-Law Images

Adding birthday wishes to a card or image can really make your message extra special.

  • Happy Birthday to the best brother-in-law around! We hope you have an amazing day filled with lots of cake, presents, and love!
  • Whale, whale, whale, it's dolphinately your b-day today and we hope it's a splash!
Dolphin leaping in open ocean.
  • I feel so lucky my sister married such an incredible partner! Have the best birthday today! I love you!
  • We're so happy our brother married such an amazing partner! You truly are the best and we hope you have an awesome birthday!
  • Happy Birthday to the brother-in-law who is truly one of the funniest people I've ever met. I'm so happy to be part of your family!
  • Happy Annibirthsary bro!! Have the best day!
  • I know I don't say it often, but I wanted to tell you how happy I am that you are a part of our family. Happy b-day buddy!
  • Let's get frosted- it's cake time! Happy b-day!!!
Whisk in Frosting
  • Tick tock- it's b-day o'clock!!! Happy birthday to our favorite brother-in-law!
  • On your birthday, I just wanted to tell you how overjoyed I am to have you in our family!

Happy Birthday Brother in Law Quotes

Birthday messages for your brother-in-law:

  • No one holds a candle to how great you are! Happy b-day to the best brother-in-law I could have asked for!
  • I love having a brother-in-law who I share a birthday with! Happy b-day to us!!!
  • It's rare to get along so well with your brother-in-law and I wanted to tell you it's okay we don't click. Just kidding!! You are one of my favorite people and I hope you have an amazing birthday!
  • Happy birthday to a truly wonderful person! I never thought having a brother-in-law would be like having another sibling and for that, I am truly grateful.
  • What do you give to the guy who has it all on his birthday? A gift card! I know, I know, pretty exciting for a b-day present!
  • Your birthday is a day to celebrate you putting up with our family for so long! We adore you and hope you have a magical day!
  • It's that time of year again- to celebrate you! Happy birthday to the funniest and kindest brother-in-law in the world!
  • You made it another year in our family- Congrats!! Happy birthday to the brother-in-law who is beyond kind to all of us and always puts a smile on our faces!
  • You scream, I scream, we all scream for ice cream cake!! Just kidding--we know you're lactose intolerant and your cake is dairy free. We love you to pieces and hope you have the best birthday!
    Birthday cake with candles and drip icing
  • Cookies, cake, and ice cream oh my! Ya we went a little overboard, but that's just because we love you! Happy b-day to the most amazing brother-in-law!

Birthday Wishes to Dear Brother-in-Law

Birthday wishes for your brother-in-law:

  • I wanted to let you know I've really enjoyed getting to know you and am so happy that we have a new member in our family. Wishing you a very happy birthday today!
  • Happy b-day dear brother-in-law! You are without a doubt the funniest member of our family (don't tell anyone) and I hope you have the most incredible day today!
  • Happy birthday buddy! I feel so lucky to call you my brother-in-law and look forward to celebrating you later today!
  • Happy birthday to my fave bro in law! You truly are one of a kind!
  • We're bouncing off the walls excited to celebrate you today!! Hoping you have a birthday as awesome as you!
  • Happy birthday to the sweetest guy around! We love you so much and couldn't ask for a better brother-in-law!
  • To our favorite brother-in-law- we hope you have a funfetti birthday!!!
  • Happy happy b-day to the coolest brother-in-law around!!! You deserve the most amazing b-day today!
  • Tonight we celebrate you and all of your amazing-ness! Happy b-day to our favorite brother-in-law!
  • I don't say it often enough, but I love you so much and feel so lucky to have you as a brother-in-law. I hope you have a wonderful birthday and another great year!

How Do You Write a Thoughtful Birthday Message?

If you want to write a thoughtful birthday message:

  • Speak honestly about your feelings.
  • Express how much he means to you.
  • Tailor your message to his personality (for example, if he likes to joke around, you can keep your note lighthearted and funny).

Birthday Wishes for Brother-in-Law

Writing a birthday message for your brother-in-law can mean a lot to him and is a thoughtful way to show him that you are thinking of him. Whether it's his 25th birthday, he's turning 31, or you need to send him 80th birthday wishes, use these sentiments to recognize him on his birthday.

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Happy Birthday, Brother-in-Law: 50 Thoughtful Wishes