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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
“A wonderful selection of beautiful cards for all occasions. Personalizations come out perfect. Shipped quickly and with upmost care. Best place to order cards.”
June - Nov 2nd, 2026
“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
Cards per Page:
Cards: 4,861 Pages: 163
Most Popular Newest Show adult cards
Happy Birthday Sister Cottage Hills Watercolor Art…
Funny Retro Birthday Sister You’re Not Old You’re …
Sister 47th Birthday White Flowers card
Happy Birthday Sister Cabin Woods Floral Plants Tr…
Sister 54th Birthday White Flowers card
Happy Birthday Sister Mountain Trees Autumn Fall L…
Sister 6th Birthday Colorful Notebook and Stickers…
Beautiful Little Sister, Happy Birthday! Colorful …
Happy Birthday Sister Three Burgundy Anemone Coron…
Big Sister 3rd Birthday Cute Girl with Animal Frie…
Happy Birthday tulips - sister card
54th Birthday, Sister, Pink Rose card
Sister Birthday Butterflies card
Birthday for Sister-Owls in Tree card
Happy Birthday Sister-Primitive Pirate Rag Doll Gi…
Happy Birthday Sister- Dancing Cow-Muchacha card
Custom Birthday for Sister Frangipani Blooms and B…
Sister 47th Birthday Pink Teacup with Lily of the …
Hand Lettered Birthday for Sister February Monthly…
Sister 2nd Birthday Teddy Bear Princess card
Happy Birthday, Sister, Roses card
Happy Birthday Sis card
Happy Birthday perfect sister from perfect me! car…
Happy Birthday Sister White Blossom on Bright Blue…
Sister 87th Birthday Pink Teacup with Lily of the …
Sister Happy Birthday with Pink, Red and Purple He…
Sister 101st Birthday Pink Teacup with Lily of the…
Sister, The Bittersweet Truth, Happy Birthday card
Happy 59th Birthday, Sister, Monarch Butterfly car…
Personalize for a Sister Happy Birthday Flowers in…
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