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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 (187,261)
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Shopper Testimonials
“Cards I ordered were top quality and very well priced.”
Carla - Aug 26th, 2025
“As I have mentioned numerous times, the quality, packaging and delivery time frame is outstanding.”
Janet - Aug 24th, 2025
Cards per Page:
Cards: 4,631 Pages: 155
Most Popular Newest Show adult cards
Sister Happy 3rd Birthday Adorable Girl and Cat Fa…
Happy 75th Birthday for a Sister, Rudbeckia flower…
Happy 60th Birthday Sister Garden Flowers card
Dear Sister, don’t count your birthdays, celebrate…
Happy Birthday, Sister - Grinning Hippo card
Happy Birthday Sister White Boxer Dog card
Birthday card for my Twin - pink Hibiscus flowers …
Younger Sister Catching Up With Big Sister On Her …
Birthday Twin Sister with Two Orange Tulips and Tw…
For Sister on Birthday Purple Irises Floral Illust…
Sister Letters card
88th Happy Birthday Sister, Magnolia Blossom card
Wishing a Lovely Sister a Lovely Birthday Pink Sno…
61st Happy Birthday Sister, Magnolia Blossom card
Dutch tulip on wooden shoe for Sister’s birthday c…
Birthday, Sister, Floral, Roses, Daisies card
Birthday, Sister, Tulip Flower, Religious card
Birthday for Sister Alligators in Red Hats Drinkin…
Personalized Birthday for Relative Sister Cardinal…
Sister’s Birthday When I Look At You I See A Unico…
72nd Birthday for Sister, Pearls and Petals card
Sister’s Sage & Willow card
Sister Birthday Funny Cartoon Cats Sleeping and Pu…
Sister 90th Birthday Traditional card
82nd Birthday, Sister, Pink Rose card
Happy 60th Birthday Sister with Typewriter, Chicka…
Sister, 68th, Happy Birthday, Mason Jar, Flowers, …
Sister, 78th, Happy Birthday, Mason Jar, Flowers, …
Best Sister Ever 35th Birthday Typography in Pink …
A Birthday Wish for a Wonderful Big Sister, Purple…
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