Some brother-in-laws are just like blood brothers. Some are like friends or even best friends. Some might be distant or even antagonistic. With any in-law it can be a mixed bag.

That’s why I’ve tried to compile a varied list of happy birthday wishes for your brother-in-law. So instead of just writing or saying happy birthday brother-in-law you can pick the message that is just right for your relationship with your brother in law. Hopefully you’ll be able to find the exact birthday wish you are looking for!

Happy Birthday Brother-in-Law List

1. I know I don’t say this enough, but since it’s your birthday I figure it’s a good time as any. You’ve made such a great addition to this family, you’ve made my sister happy, and our family is all the better for you being in it.

2. Happy birthday! I hope you have an amazing day and I just wanted to take this opportunity to say that I feel honored that I get to be a part of your family.

3. I’m happy that my sister married such a standup guy. Happy birthday bro, hope it’s a good one.

4. It’s been great getting to know you over the years. You’ve been a great brother-in-law. So here’s wishing you the best of birthdays!

5. I just wanted to say that you are the best thing that happened to my sister and I hope you have a wonderful birthday!

6. Happy birthday dear brother-in-law. My husband wouldn’t be the same man he is without all those childhood adventures you both went on. Thank you for helping make my husband the great guy he is.

7. Happy birthday from your favorite brother-in-law!

8. Happy birthday to the best brother-in-law! Our family get-togethers have gotten a lot more entertaining since you joined the family!

9. Watching you and my sister interact always makes me so happy. I love the way you both care about each other so much. I couldn’t be happier to have you as a brother-in-law. Happy birthday brother!

10. Cheers to you brother-in-law! You’ve made it another year. Just remember, you’re not another year older you are another year better!

11. You know I wouldn’t miss my brother-in-law’s birthday, right? I’m just wishing you a happy birthday a bit late because I figure you might to spread the birthday wishes out a bit! Happy belated birthday, I hope it was a good one!

12. I have a great brother-in-law and everyone knows. Because I tell them! And I figure I should tell you as well. You’re a great guy and I hope you have a wonderful birthday!

13. I hope your birthday is as happy and fun as you are dear brother-in-law!

14. You deserve everything you want and more for your birthday. You might not get it, but you deserve it!

15. Thanks for making my sister so happy. She is way easier to tolerate now… Happy birthday!

16. You may be my only brother-in-law, but even if I had others, you’d still be my favorite. Happy birthday bro in law!

17. It’s always a blast when we get to hang out. Looking forward to seeing you on your birthday and joining in the celebration. Happy birthday bro-in-law, see you soon!

18. Happy birthday brother-in-law, I hope this next year is even better than the last!

19. Sometimes a brother-in-law can be just as good as a brother by birth. Thanks for being a great brother. I hope your birthday is amazing!

20. Cheers to a brother-in-law who is a genuine class act! So happy to have you as a part of my family. Happy birthday!

21. My sister always told me about how great of a guy you are. I can tell she is totally in love with you and I’m so happy she found her perfect match. I hope your birthday is as happy as you make my sister!

22. Your family welcomed me in with open arms and I’ll never forget that. I’ll work hard to make sure your sister has the life she deserves. Happy birthday brother-in-law and thanks again for welcoming me into your family.

23. A very happy birthday to you brother-in-law. I hope this birthday marks the beginning of the best time of your life.

24. I never know what to write in cards, I guess I’ll just wish you happy birthday and let you know that you are a wonderful brother-in-law.

25. We weren’t born as family, but it feels like we were. Happy birthday to the best brother by marriage anyone could ask for!

26. I hope your birthday is half as amazing as you are, if so it will be a great one!

27. When you and my sister were dating I always hoped you would become my brother-in-law. And now you are! Welcome to the family brother, I hope you have a really good birthday.

28. Who has two thumbs and a birthday today? Probably a lot of people. But the best of them is my brother-in-law! Happy birthday!

29. I hope you always keep that childlike sense of joy and wonder in the years to come! Happy birthday bro-in-law, I hope you never change!

30. To my brother-in-law, I wish all the best for your birthday.

31. Hey bro-in-law, it’s your birthday. Time to eat, drink, and be merry!

32. Happy birthday to my brother from another mother. Hope it’s a great one!

33. For your birthday, I wish you health, wealth, and success! Happy birthday! Don’t worry I also got you a present…

34. If you need any tips on dealing with my sister, just ask. I know she can be a pain. But in the meantime, enjoy your birthday!

35. I’m not great at birthday wishes, but I just want to say you are a pretty amazing brother-in-law. I hope you have a great birthday.

36. Even though my parents sometimes make it difficult on you, they do love you. They just have a hard time showing it. Thanks for being such a great addition to our family!

37. I hope your birthday is as amazing as you are dear brother-in-law!

38. Sometimes everyone needs to be reminded how great they are and a birthday is the perfect time to do it. So, happy birthday brother-in-law, keep being awesome!

39. I’m really happy that we were able to become friends. I know in-law relationships can be a bit rocky. So here’s to new brothers! Happy birthday.

40. I figure your birthday is a good time to remind you that even though you are my brother-in-law, I consider you a blood brother. I’ve always got your back if you need anything, just say the word. Oh, and happy birthday, I hope it’s a great one!

41. A lot of times in-laws don’t get along. I’m sure glad we are the exception! Happy birthday bro, I hope you have a good one!

42. Happy birthday brother-in-law! I never had a brother growing up, so it’s great to finally have one.

43. We’re definitely different but I’m glad we could become good friends. I’m happy to have such a great brother-in-law. I hope your birthday is as fantastic as you!

44. Happy birthday, keep rocking on brother-in-law. I hope your birthday is fantastic and the year following it is even better.

45. Everyone says that in-laws can be a pain. But I’ve never found that to be true! I’m just so glad that I married into such an amazing family!

46. Your sister always talks about how great a brother you are and I’m inclined to agree. I hope your birthday is filled with fun, laughter, and good food!

47. Let me know if you or my sister need help with anything. We’ll always be here for you two. You may be a brother-in-law but I consider you a brother so don’t hesitate to ask.

48. You were always super welcoming to me even before I became your brother-in-law. I really appreciate that. Happy birthday and thanks for making me feel like part of the family.

49. Hey brother, I hope your birthday is filled with good beer, good friends, and great presents. Happy birthday!

50. Sure, you may be my brother “in-law” but I consider you a brother. Happy birthday!

51. Thanks for being a cool brother-in-law. I couldn’t have asked for a more chill and welcoming in-law!

52. I’m so glad that my sister chose you (and not some jerk) to be a member of our family. Happy birthday!

53. Happy birthday to the best uncle and brother-in-law a family could ask for!

54. Here’s to a brother-in-law who cares for my sister. Who works hard to support his family. Who is caring, funny, and an all-around great guy. Here’s to you! Happy birthday.

55. Happy birthday to the best brother-in-law a guy could ask for!

56. I wasn’t sure if we’d get along when we first met, but that’s before I knew how great a guy my sister picked. Happy birthday, you deserve a good one.

57. My sister has always been the caring and thoughtful one. I’m so glad that she found a man who treats her so well. Happy birthday to the brother-in-law our family hoped for.

58. Happy birthday to a great friend and an even better brother-in-law!

59. It’s your birthday dear brother-in-law. And that means drinks are on me! Cut loose and have some fun today, you earned it.

60. My sister has bad taste in men. I don’t know how she managed to land such an awesome husband!

61. Whether you are looking forward to the cake or beer more, I hope you get plenty of both on your birthday!

62. I hope your birthday is filled with all the things you enjoy and the year following is filled with all the luck you can handle!

63. I hope this next year is all smooth sailing. You deserve a break! Best of wishes to you as you celebrate the end of a year of life and a beginning of a new year of life.

64. I wish you all the best for the coming year. I hope it’s filled with happiness and satisfaction. Happy birthday to my favorite brother-in-law.

65. I’m so glad that my sister picked someone chill to marry. Happy birthday and thanks for being a good guy.

66. Family is important, it doesn’t matter if it’s by blood or by marriage. You’re family and we all love you. I hope you have a spectacular birthday!

67. My sister has sure made a lot of mistakes in her life. But you weren’t one of them! Thanks for marrying and putting up with her! (Joking, love you sis!)

68. Just because we are getting older doesn’t mean we can’t have fun. Let’s party it up and have some fun on your birthday!

69. It makes me happy to see how much my sister and you care about each other. You are the best brother-in-law I could have asked for.

70. We are all so happy that you are a part of our family, I hope we can show you how much we all care about you on your birthday.

71. Well bro-in-law, your birthday rolled around again. It’s not easy getting older, but at least we can have a few beers together and enjoy some good food. Looking forward to hanging out with you on your birthday.

72. We couldn’t be happier to have you as a part of the family. I hope you have a fantastic birthday.

73. Happy birthday to my favorite brother-in-law, I hope my sister is treating you well!

74. Thanks for always being there for both of us. You are the best brother-in-law a couple could ask for! We hope you have a ridiculously awesome birthday!

75. Happy birthday! I know we don’t talk that much, but just know I consider you family. I hope your birthday is everything you want it to be.

76. Brother-in-laws are a mixed bag. You never know what you are going to get. That’s why I’m so happy we ended up with you! Happy birthday!

77. It’s your birthday, so feel free to party it up! And if my sister gives you flack for having fun on your birthday, just let me know.

78. My sister has been so much happier and pleasant since she met you. From the whole family, thank you! I hope you have a great birthday, worthy of the great guy you are.

79. I never had a brother, but with such a great brother-in-law, who needs a biological brother! Hope your birthday is as awesome as you are.

80. For your birthday, I just wanted to let you know how much I appreciate you making me feel like I’m a part of the family. I promise I’ll always treat your sister well. Happy birthday to a brother-in-law who is more like a brother.

81. I hope your birthday is full of fun and excitement. With lots of good food and drinks. Happy birthday to my favorite brother-in-law!

82. It’s great to have such an amazing guy as family. I’m so glad you are my brother-in-law. Happy birthday!

83. It’s been a long time since we could hang out, but I just wanted to reach out on your birthday and let you know, you rock. Happy birthday!

84. I just want to say thank you for being a great brother to my wife all those years when you were growing up together. She wouldn’t be the amazing woman she is today if it wasn’t for you.

85. I know our family is a bit weird, but we are happy you are a part of it. Happy birthday brother-in-law!

86. Hey brother-in-law, it’s your birthday and I just want to say thanks for taking such good care of my sister and raising my nieces and nephews well. I hope your birthday is everything you want it to be. Happy birthday!

87. Your birthday is the perfect time to celebrate all you’ve accomplished this year! Happy birthday brother-in-law, I hope this next year is filled with even more accomplishments!

88. Presents, food, beer, and BBQ. It’s all for you brother-in-law. I hope you have a wonderful birthday!

89. It’s great having such an amazing brother-in-law. But I guess you know exactly how that feels! Happy birthday brother, I hope it’s a great one!

90. My husband always said he had a great brother and he was definitely right! It’s wonderful having you as a brother-in-law, I hope you have a fantastic birthday!

91. Thanks for always making the family get-togethers so much more fun. I couldn’t be happier having you as a brother-in-law. Happy birthday man, I hope it’s a good one!

92. I really appreciate how you have always taken care of my wife and always had her best interests at heart. I respect that. Happy birthday to a great brother and brother-in-law.

93. Happy birthday to the best brother-in-law anyone could ask for!

94. Congratulations! You made it through another year of being married to my sister! Congratulations and happy birthday!

95. Who needs a brother when I’ve got such an amazing brother-in-law! Looking forward to catching up at your birthday party!

96. Today we raise a glass to your health and happiness! Happy birthday brother-in-law!

97. Here’s hoping your birthday is filled with a bunch of good presents, a load of good food, and lots of good company!

98. I’m proud to call you my brother-in-law and even more proud to call you a friend. Happy birthday, I hope it’s a wonderful one.

99. Another year down and many more to go, I hope they are all filled with happiness. Happy birthday!

100. Happy birthday to my favorite brother-in-law! Yeah, I know you are my only brother-in-law, but that doesn’t mean you aren’t an amazing one!

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