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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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Birthday (191,682)
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Shopper Testimonials
“I liked the design and thoughtful message that expressed the sentiment that I wanted to send. Cards arrived promptly and I like the option to personalize some of the cards.”
Doris - Nov 2nd, 2026
“My dentist will love his thank you card. This is a colorful and beautiful card. It has the most meaningful words to let him know how much I appreciate him for all his help and care which has truly made a difference in my life.”
Ruby - Nov 3rd, 2026
Cards per Page:
Cards: 4,840 Pages: 162
Most Popular Newest Show adult cards
Sister 4th Birthday Teddy Bear Princess card
Sister 8th Birthday Colorful Girl and Balloons car…
Sister 5th Birthday Teddy Bear Princess card
Sister 6th Birthday Teddy Bear Princess card
Sister With Fantasy Female In Cream Dress And Flow…
Sister 7th Birthday Teddy Bear Princess card
Hey Sister, its Your 32nd Birthday, Sea Shells and…
Sister’s 19th Birthday Anime Gamer Girl card
Sister 3rd Birthday Ballerina African American Gir…
For Sister Happy Birthday Rose card
Sister 84th Birthday Pink Teacup with Lily of the …
Sister 7th Birthday Colorful Notebook and Stickers…
Happy Birthday to a Sister, Clown Fish with Gingha…
Sister 9th Birthday Colorful Notebook and Stickers…
Sister 9th Birthday Teddy Bear Princess card
Sister 10th Birthday Colorful Notebook and Sticker…
Sister Birthday Young Girl in Balloons card
Happy Birthday, Little Sister, You are A star, Sta…
For Sister 15th Birthday with Primrose Flowers and…
Little Sister Birthday Cute Ballet Dance Mouse car…
Happy 19th Birthday to a Wonderful Little Sister, …
Sister Little Girl Birthday Greetings with Unicorn…
Hey Sister, its Your 20th Birthday, Sea Shells and…
Sister Birthday Whimsical Cheery Flowers Pattern c…
Happy Birthday to My Twin Sister It’s Your Day Cel…
Happy Birthday Sister Flowers card
Sister 21st Birthday Pink Teacup with Lily of the …
Big Sister 2nd Birthday Cute Girl with Animal Frie…
Humorous Sister Birthday To The Sister I’m Least A…
Birthday to OUR Big Sister with Tea Cup of Flowers…
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