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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
“Love both of these cards. Couldn't find what I wanted anywhere else and these are perfect.”
Earlene - 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
50th birthday for sister, pearls and petals card
Happy Birthday for Sister Yellow Tabby Cat with Pa…
Little Sister Birthday with Cute Fairy Flowers and…
For Sister on Birthday Fairy Princess Pen and Wate…
Happy Birthday Sister/Gifts, Gals, and Balloons/Cu…
Birthday, Sister, Bright Yellow Full Bloom Rose,Bl…
Cute Birthday Card For Younger Sister With African…
Pink Watercolor Roses Happy 75th Birthday Sister c…
Sister 64th Birthday White Flowers card
Happy Birthday Sister card
Sister Birthday Colorful Patchwork Flowers card
Little Sister Birthday with African American Fairy…
57th Birthday, Sister, Pink Rose card
Sister Happy Birthday with Roses and Flowers Custo…
To Sister, Happy Birthday Humor card
Sister Birthday Painterly Purple Flowers and Pink …
Pink Watercolor Roses Happy 80th Birthday Sister c…
Sister 10th Birthday to Awesome Tween African Amer…
Happy Birthday Sister - Humor - Cartoon card
Happy 55th Birthday, Sister, Monarch Butterfly car…
Happy 50th Birthday, Sister, Monarch Butterfly car…
Sister 76th Birthday Pink Teacup with Lily of the …
Cartoon Woman Sis Know Why Your Birthday Is So Spe…
Sister Happy 1st Birthday Adorable Girl and Cat Fa…
Macarons with Candles Happy Birthday Sister card
Sister 11th Birthday to Awesome Tween African Amer…
Happy 8th Birthday to Sister Pretty Ballerina card
Birthday, Sister, Trendy Shop Girl card
Happy Birthday Sister card
Happy Birthday to Sister Pretty Flowers on Polka D…
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