25 Father's Day Messages to a Son-in-Law Who's a Great Dad

You see what a good job he's doing with those grandkids, so let him know. We promise he'll love it.

Published May 24, 2024
Happy father and daughter giving high-five to each other during a family lunch in dining room.

Being a dad isn't easy, even if it's one of the best jobs on earth. You've seen him rocking the dad role, so tell him how much you appreciate it with a Father's Day message to your son-in-law.

Touching Ways to Say Happy Father's Day to Your Son-in-Law

Believe it or not, getting some positive feedback from the in-laws can actually mean a lot. Tell your son-in-law how well he's doing with a special message. We guarantee it will touch his heart.

The day you joined this family, we knew what a great dad you'd be someday. Now that day is here, and we feel so lucky.
  • Son-in-Law, we already loved you, but the sweet, nurturing way you care for our grandkids makes us love you even more.
  • Dear Son-in-Law, it's been an honor to see you become such an amazing dad. We're so proud to have you in this family.
  • We couldn't wish for a better dad for our grandchildren.
  • The day you joined this family, we knew what a great dad you'd be someday. Now that day is here, and we feel so lucky.
  • So grateful for you on Father's Day, Son-in-Law. You're the wonderful dad our grandkids deserve.
  • Son-in-Law, all it takes is seeing how these kids look at you to know you're doing an amazing job. Happy Father's Day!
  • There's no way to express to you, Son-in-Law, how you've helped build this family with your love. Our grandkids sure are lucky.
  • The way those kids love you is such a joy to see. You're doing this job right, and we're proud you're our son-in-law.
  • You are the most important man in our grandkids' lives, and we're honored to have you in this family.
  • Family is everything, and you show that every day in your actions. Happy Father's Day, Son-in-Law.
  • To be a father is to love and protect, and you do it so well, Son-in-Law.

Related: 35+ Happy Father's Day to a Son Messages Sharing Love & Pride

Quick Tip

Sending a card is the traditional way to wish your son-in-law a happy Father's Day, but it's totally great to send a text, too. You can also post on Facebook or Instagram, combining one of these messages with your favorite photo of your son-in-law being a great dad.

Funny Father's Day Messages to Your Son-in-Law

We all know how hard it can be to be a dad, so make him laugh with a funny message. These will do the trick.

Dear Son-in-Law, here's hoping you get what you really want for Father's Day (time to take a good, long nap).
  • Clearly, you love these kids because you're keeping them around even though they've thrown up in your car a ton of times. Happy Father's Day, Son-in-Law!
  • We know just how crazy these years are, but we can tell you, Son-in-Law, that you're going to look back and smile (someday when you can get more sleep). Happy Father's Day.
  • Being a dad means being a janitor, babysitter, bank teller, and a million other things at once. Thanks for juggling all those roles and making it look easy. You're a great son-in-law and a great dad.
  • We just wanted to let you know we appreciate all those dirty diapers you've changed in the past few years, Son-in-Law. We love being able to hand the kids back to you when they need to be changed.
  • If you haven't said "because I said so" yet, Son-in-Law, just give it time. We've seen it all, and we promise you're doing great.
  • Dear Son-in-Law, here's hoping you get what you really want for Father's Day (time to take a good, long nap).
  • Listen, we knew we liked you when you were willing to marry our kid, but we're extra sure now seeing you with your own kids. Happy Father's Day!
  • Dear Son-in-Law, we see how hard you work to create a happy life for the kids. We're here to tell you you're killing it (and keeping them alive at the same time)!

Related: 80 Funny Dad Quotes for Serious Laughs

Messages to Wish Any Son-in-Law a Happy Father's Day

Whether you're celebrating together or sending a Father's Day card from far away, telling your son-in-law you appreciate him is important on this special day. Wish him the best Father's Day ever with these messages.

You're not just the kids' superhero, Son-in-Law. You're ours too.
  • It's Father's Day, Son-in-Law, and we hope you get a little you-time to do all the things you've been setting aside to make life great for the kids.
  • Dear Son-in-Law, you make being a dad look easy (but we know it's not). We're glad to have you on the team.
  • You're not just the kids' superhero, Son-in-Law. You're ours too.
  • Here's hoping Father's Day finds you with your feet up and your favorite drink handy. You're a great dad and an amazing son-in-law too.
  • Happy Father's Day to the man who makes our grandkids' lives so wonderful. Hope you get some chill time today!
  • You're the best son-in-law, and we're so proud of the father you've become.

Related: 60+ Father's Day Captions to Celebrate Dads and All They Do

Tell Him He's Doing Great in the Dad Department

Father's Day is the perfect day to tell your grandkids' father what a great job he's doing in the dad department. A simple text, post, or card is a great way to send a Father's Day message to your son-in-law and make his day.

25 Father's Day Messages to a Son-in-Law Who's a Great Dad