21st Birthday Cards For Dad

If your dad is turning 21 again (or so he claims), you're going to need a special birthday card to celebrate! Finding the perfect card can be tricky, but luckily there are plenty of options out there. From funny and lighthearted to sentimental and heartfelt, you can find a birthday card that fits your dad's personality and shows him how much you care. Don't forget to add a personal message inside, too - it's the best way to make his day even more special!

man celebrating birthday

Most Popular Cards

Dad 6 Photo Collage Any Age Big Happy Birthday Card Dad 6 Photo Collage Any Age Big Happy Birthday Card

$9.20

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Happy Birthday Humor Dad Funny Card Happy Birthday Humor Dad Funny Card

$4.02

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Funny Sarcastic Birthday Card Funny Sarcastic Birthday Card

$3.47

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MAN WHO KNEELS BEFORE GOD Dad's Birthday Card MAN WHO KNEELS BEFORE GOD Dad's Birthday Card

$3.97

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DAD Photo Letter Cutout Birthday Card DAD Photo Letter Cutout Birthday Card

$9.20

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80th happy birthday Dad photo collage Card 80th happy birthday Dad photo collage Card

$4.07

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**YOU ARE A CLASSIC DAD*** HAPPY BIRTHDAY CARD **YOU ARE A CLASSIC DAD*** HAPPY BIRTHDAY CARD

$4.42

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Dog Dad Happy Birthday Funny Cute Dog Dad Poop Card Dog Dad Happy Birthday Funny Cute Dog Dad Poop Card

$4.17

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Happy Birthday Dad Rustic Gray Wood Photo Card Happy Birthday Dad Rustic Gray Wood Photo Card

$4.17

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Personalized Special 80th Birthday Card For Dad Personalized Special 80th Birthday Card For Dad

$9.20

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FOR **MY DAD** FROM YOUR DAUGHTER ON BIRTHDAY! CARD FOR **MY DAD** FROM YOUR DAUGHTER ON BIRTHDAY! CARD

$4.42

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Happy Birthday - Pet Photo - Worlds Best Dog Dad Card Happy Birthday - Pet Photo - Worlds Best Dog Dad Card

$4.17

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Funny Senior Dad Birthday Card Funny Senior Dad Birthday Card

$3.92

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Best Dad Ever Modern Photo Collage Happy Birthday Card Best Dad Ever Modern Photo Collage Happy Birthday Card

$9.20

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Funny Birthday Card for Dad Funny Birthday Card for Dad

$3.97

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Dad Birthday Greeting Card Casino Theme With Slots Dad Birthday Greeting Card Casino Theme With Slots

$3.87

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Happy 21st Birthday Wishes for Dad

Welcome to the world of adulthood dad! It’s been an honor to watch you be the amazing father that you always are and we couldn’t ask for more. Here are five different 21st birthday card messages that will surely brighten your dad’s day:

1. Happy 21st birthday to the coolest dad on earth. You’re not just my dad but also my go-to buddy when things get rough. Thank you for always having my back. Here’s to more crazy adventures with you!

2. It’s your 21st birthday, dad! Just a few more years until you catch up with me. Kidding aside, thank you for always being there even during my craziest endeavors. Sending you my warm hugs and kisses on your special day.

3. Happy 21st! You’ll always be my knight in shining armor, dad! May your days be filled with endless love and happiness. Cheers to making more memories with you!

4. You’re simply the best, dad. We might not always see eye to eye but your unwavering love never changes. It’s your 21st birthday and my heart is filled with joy. Here’s to many more years of adventure.

5. Happy 21st, dad! You embody the perfect balance of cool and responsible. Your endless support has led me to grow into the person I am today. Thank you for everything and enjoy your birthday to the fullest!

Happy 21st Birthday Sayings for Dad