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Birthday Cards for Sister

Browse our collection of birthday cards for sisters! What relationship in your life is more special than the one you share with your sister? No matter what stage of life you are both in, whether she is older, younger or even a twin, we have the perfect card to express your heartfelt birthday wishes. Our birthday cards for sisters cover the gamut from sweet and sentimental to funny and sarcastic.

We offer cards for milestone birthdays, pretty cards, sentimental cards, trendy cards, humorous cards and cards that can be customized to say just what you want. You can even add a picture to make your card truly one-of-a-kind. Don't settle for another generic card off the rack, create a personalized card that she'll cherish as a keepsake for years to come! Once you find the perfect birthday card for your sister, we'll print and mail it the next day!
Birthday Cards for Sister

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Shopper Testimonials
“I haven't been disappointed with all my card orders...plus a lot of fun to create!”
Mabel - Las Vegas, Nevada - Nov 3rd, 2026
“I love every card I order from Greeting Card Universe! Why? Because you can find a card for everything you may need. I first discovered them in 2016 when I needed a card for my daughter's PHD graduation. I was able to design one with her actual picture. All her friends asked where I had gotten it! I have ordered since then! Quality is EXCELLENT! You can personalize anything! I even sent a thank you to one of my doctors who went above and beyond! He was so surprised he showed it to everyone on his staff! Great company!”
Elvira - Nov 1st, 2026
Cards per Page:
Cards: 4,840 Pages: 162
Most Popular Newest Show adult cards
Big Sister 6th Birthday Glittery Effect Butterflie…
Big Sister 7th Birthday Glittery Effect Butterflie…
Little Sister 3rd Birthday Pretty Little Girl with…
Happy Birthday to Sister Pretty Ballerina card
Little Sister 7th Birthday Glittery Effect Butterf…
Happy Birthday Big Sister Girly Cute 3 Eye Monster…
Big Sister 5th Birthday Pretty Little Girl with Pu…
Sister’s Birthday - balloon floating in clouds car…
Sister 13th Birthday Futuristic Video Game Scene c…
Sister 5th Birthday Colorful Notebook and Stickers…
Blue Watercolor Flowers Sister 95th Birthday card
Sister 11th Birthday Colorful Notebook and Sticker…
Sister 12th Birthday Colorful Notebook and Sticker…
Sister, birthday, pink and yellow polka dot card
Happy 10th Birthday to Sister Fairy Rabbit Fantasy…
Happy 11th Birthday to Sister Fairy Rabbit Fantasy…
Sister, birthday, gingham, boot, daisy, bouquet ca…
Sis, Happy Birthday! Gingham Checks Flowers card
Happy Birthday, Sis! A Splash of Flowers card
Birthday Cake Purse for Sister card
Flowery Handbag Birthday Sister card
For Sister on 21st Birthday Spring Flowers Waterco…
Sister Birthday Roses Heart card
Humorous Sister’s Birthday With Cartoon Golf Ball …
Sister Birthday Card From Her Sister Didn’t Always…
38th birthday for sister, pearls and petals card
Happy Birthday Sister Teal Green Watercolor Floral…
Humorous Sister Birthday Sorry For All The Times I…
57th birthday for sister, pearls and petals card
Sister’s Birthday, flowers & butterflies card
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