Questions? Toll-Free 877-347-6784

21st Birthday Cards

Drink ... drank ... drunk? Not too much, we hope. Send a 21st Birthday Card to someone who has hit that milestone like a boss and is ready to celebrate. Choose from 790+ exceptional designs, add your personal message, and we'll mail it next business day. Throwing a party? No worries. We have 21st Birthday Party Invitations, too. Yeah, 'cause we're cool like that.

Card Categories
Loading...
Birthday (191,572)
Filter Results
Orientation
Portrait
Landscape
Custom Photos (Front)
None
1
2
3
4
5+
Custom Text (Front)
Yes
No
Shopper Testimonials
“Love this cards sensitive message.”
Kay - Oct 26th, 2026
“What a beautiful, special card and love the ability to edit the message. Received well before expected and in excellent condition. 100% satisfied! Thank you!”
Michael - Oct 27th, 2026
more testimonials
Cards per Page:
Cards: 635 Pages: 22
Most Popular Newest Show adult cards
21st Birthday Cake Male Candles and Stars Distress…
Happy 21st Birthday Yorkie in a Party Hat Humor ca…
Sleek 21 card
Happy 21st Birthday Beer Humor card
21st Birthday You Have Achieve Legal Status Let’s …
21st Birthday Bright Cake with Candles card
Keep Calm You’re Only 21 Birthday card
21 Years Happy Birthday Animal Pattern Balloon Leo…
21st Birthday Religious Blessings Red and Black Sw…
Happy 21st Birthday Custom Name Card Flower Illust…
21st Birthday Cheers in Red White and Black Patter…
21st Birthday Colorful Floating Balloons With Star…
Happy Birthday Humor Cat Thinks 21 is Old card
21st Happy Birthday Card - Purple and Black Swirls…
Pretty Floral Custom Front 21st Birthday for Her c…
Humorous 21st Birthday Card With Wizard Casting A …
21 Years Old Birthday Math Hamster card
21st Birthday Evergreen Pines and Deer Nature Them…
Happy 21st Birthday with Typewriter, Chickadee Bir…
21 Years Old Holy Shitake Happy Birthday card
Ducks Singing Happy 21st Birthday To You, Happy Bi…
21st Happy Birthday Milestone card
Happy 21st Birthday, You’re Going to Rock 21 card
Birthday for 21 Year Old, Vivid Rainbow Balloon wi…
21 Years Old Happy Birthday Space Pug card
21st Birthday Photo Craft Look card
21 Years Old Happy Birthday Piglet with Cupcake ca…
21 years Old Happy Birthday Rat with Cocktail card
21 Years Old Pug and Chihuahua Cupcakes Birthday c…
21 Years Old Happy Birthday Cowgirl with Birthday …
Last
Next »
« Prev
Page: 1 | 2 | 3 | 4 | 5
As Featured In