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 (186,471)
Filter Results
Orientation
Portrait
Landscape
Custom Photos (Front)
None
1
2
3
4
5+
Custom Text (Front)
Yes
No
Shopper Testimonials
“Beautiful and perfect Saint Monica greeting card.”
Bethany - Jul 28th, 2025
“I looked on several websites for an appropriate card for my brother-in-law’s 80th birthday but was disappointed in what I had found. This was my first time shopping on Greeting Card Universe and I was so happy to not only find exactly what I was looking for, but some other cards that I have never seen anywhere else. I’m so glad I happened to find you and I will be definitely shopping here much more in the future. Thanks for supplying a service that is sadly lacking everywhere else.”
Linda - Jul 27th, 2025
more testimonials
Cards per Page:
Cards: 615 Pages: 21
Most Popular Newest Show adult cards
Birthday 21st Fierce Dragon deep Purples and Blues…
Happy Birthday to 21 - White Hearts card
Happy 21st Birthday card
21st Birthday, Raccoon with party hat, balloons on…
Elegant Happy 21st Vegas Birthday With City Lights…
21st Birthday Butterfly With Daisies card
21st Birthday Crossword Puzzle card
Happy 21st birthday : halftone wine bottle and gla…
Happy Birthday, Paint the Town, Turning 21 card
21st Birthday, an adorable raccoon itching holding…
21st Birthday, Raccoon fishing with a pole with fi…
21st Birthday Toasting Wine Glasses Funny Custom C…
Birthday 21st Beautiful Abstract Peacock Many Brig…
21st Birthday, an adorable raccoon wearing a party…
21st Birthday with Alstroemeria Lily Flowers card
30th Birthday card
Happy Birthday whale - 21 years old card
Happy 21st Birthday Praise Jesus Religious card
21st Birthday, Game Board card
21st Birthday Hyacinth Flowers card
21st birthday with numbers formed from balls card
Happy 21st Birthday, White orchids on green card
Birthday 21st Lighthouse Beacon for the Sea Water …
21st Birthday, raccoon holding a baseball bat on r…
Racing Flame Birthday 21 card
21st Birthday, adorable raccoon wearing a party ha…
21st Birthday, Adorable raccoon wearing a party ha…
Happy 21st Birthday - Landscape with wildflowers a…
21st Birthday, Adorable Pomeranian smiling wearing…
Funny 21st Birthday with cake card
Last
Next »
« Prev
First
Page: 15 | 16 | 17 | 18 | 19
As Featured In