Son in Law Printable Birthday Cards (free)

Discover the perfect printable birthday card for your son-in-law here, complete with heartfelt and humorous messages to express your appreciation and love. Find a range of customizable designs on our site to suit his personality and make his day extra special. Download and print easily and add a thoughtful and personal birthday wish.

Writing funny birthday messages for a son-in-law’s birthday card can be a delightful way to celebrate his special day. Here are 20 humorous messages you can consider to add to your card!

20 Son in Law Birthday Messages

  • Happy Birthday to the man who dared to marry into this crazy family! We promise not to hold it against you.

  • We wanted a superhero for our daughter. We got you instead. Just kidding, you're alright. Happy Birthday!

  • Happy Birthday, Son-in-law! Remember, we gave you our precious daughter. Don't forget that during gift-giving time!

  • For your birthday, we thought about giving you a relaxing, peaceful day. Then we remembered you have kids. Good luck!

  • Happy Birthday! We're so glad you're part of our family. It's about time someone understood our jokes.

  • On your birthday, remember: age is just a number. In your case, a really big one! Happy Birthday!

  • Happy Birthday to the son-in-law who has survived another year with our daughter! You deserve a medal.

  • Here’s to a son-in-law who knows how to handle our daughter’s dragon side. You’re a brave man. Happy Birthday!

  • We thought about getting you a cake as sweet as our daughter, but we didn't want to cause a sugar crisis. Happy Birthday!

  • Happy Birthday! Just a friendly reminder, we loved her first. No pressure, though!

  • To our favorite son-in-law, who's just one more year away from fitting perfectly into those 'over-the-hill' jokes. Enjoy youth while it lasts!

  • Happy Birthday, Son-in-law! Keep up the good work. We've only threatened to disown our daughter twice this year!

  • You're not just a year older, you're also a year closer to inheriting our craziness. Happy Birthday!

  • It’s your birthday! Time to celebrate the day you bravely signed up for a lifetime with our family. Cheers!

  • Happy Birthday! Just think, if you hadn’t married our daughter, you’d miss out on all these weird and wonderful family traditions.

  • For your birthday, we were going to give you a standing ovation, but then we remembered how much our knees hurt. So here's a card!

  • On your birthday, remember that when we gave you our daughter’s hand, it was a package deal with our endless advice and family jokes!

  • Happy Birthday! You're not old, you're just... vintage. And our daughter loves vintage stuff!

  • Here's to a son-in-law who has almost mastered the art of dealing with his in-laws. Better luck next year! Happy Birthday!

  • Congratulations on surviving another year with us as your in-laws. That's your real gift. Happy Birthday!

Feel free to tweak these messages to suit your family's unique sense of humor and relationship with your son-in-law!