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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 (191,703)
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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
“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: 4,861 Pages: 163
Most Popular Newest Show adult cards
Happy 40th Birthday Sister Garden Bouquet card
Special Birthday Sister Doorway Card
Happy Birthday Sister Pink Gray White Whimsical Fl…
For Sister Birthday Pink Flowers and Butterflies W…
Sister Birthday with Flamingo Wearing Sunglasses a…
30th Sister Birthday Colorful Typography card
BIRTHDAY - Sister - Blue Ice Gems Faux card
Country Watercolor Flowers Sister Birthday Card
Happy Birthday Sister, with Vintage Pink Rose card
Sakura Floral Batik Happy Birthday Sister Card
Happy Birthday to My Sister Two Cute Girls and Sun…
90th birthday for sister, with a stitched flower c…
For Sister on Birthday Pink Hydrangea Floral Botan…
Birthday Card For a Twin Sister In a Violet and Bl…
Sister Birthday - Cute Bird Stack card
Happy 63rd Birthday to a Special Sister, Orange fl…
Sister 66th Birthday Pink Teacup with Lily of the …
Best Sister Ever 95th Birthday Typography in Pink …
Happy Birthday to our Sister, queen west highland …
Sister 73rd Birthday Pink Teacup with Lily of the …
Happy 58th Birthday Sister with Typewriter, Chicka…
Sister 19th Birthday Polka dots card
Best Sister Ever 24th Birthday Typography in Pink …
Black Pug Waiting for Playtime--Twin Sister Birthd…
Sister’s Birthday card
Happy Birthday Twin Sister with Pink Polka Dot Tea…
Sister Birthday, Blue Jay card
Fun Flower Birthday for Sister card
For Sister’s 18th Birthday with Roses Hearts and W…
Best Sister Ever 79th Birthday Typography in Pink …
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