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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
“Cards were exactly what I ordered. The personalization was perfect. Will definitely buy again.”
Christine - Nov 2nd, 2026
“Greeting Card Universe is my go to for all my cards. They have a great selection for all occasions. I just got my sister a lovely birthday card for her 75th birthday and I like that I was able to edit the inside with my own personalized message. Good quality, always great and never lets me down.”
Nancy - Nov 2nd, 2026
Cards per Page:
Cards: 4,840 Pages: 162
Most Popular Newest Show adult cards
Happy 37th Birthday, Sister, Monarch Butterfly car…
Birthday tulip collage for sister card
Sister 2nd Birthday Teddy Bear Ballerina card
7th Birthday for a Little Sister Party with Kitten…
Sister Happy Birthday Basketball Cake Going in the…
For a Sweet Sister on Her 17th Birthday, Starfish …
Blue Watercolor Flowers Sister 55th Birthday card
Hey Sister, its Your 24th Birthday, Sea Shells and…
Happy 98th Birthday or a Stunning Sister, Purple A…
Birthday To Sister, Raccoon smiling with pearly wh…
Happy 30th Birthday, Sister, Monarch Butterfly car…
Hey Sister, its Your 90th Birthday, Sea Shells and…
Happy 34th Birthday or a Stunning Sister, Purple A…
Happy 14th Birthday to Sister Fairy Rabbit Fantasy…
Hey Sister, its Your 18th Birthday, Sea Shells and…
Happy 17th Birthday to a Wonderful Little Sister, …
Happy 6th Birthday to My Sister Party Cake card
Humorous Birthday Card For A Sister Friends Come A…
Happy 9th Birthday to My Sister Party Cake card
Pink Watercolor Roses Happy Birthday Sister card
Happy 26th Birthday, Sister, Monarch Butterfly car…
Birthday, Sister, Fuchsia Tropical Bird, Kingfishe…
38th Happy Birthday Sister, Magnolia Blossom card
Sister 19th Birthday Blue Crescent Moon and Stars …
Big Sister 4th Birthday Cute Girl with Animal Frie…
Sister 6th Birthday Happy Birthday with Pretty Fai…
Sister’s 2nd Birthday Cute Girl Hugging Teddy Artw…
Hey Sister, its Your 55th Birthday, Sea Shells and…
Sister 7th Birthday Happy Birthday with Pretty Fai…
Sister’s 3rd Birthday Cute Girl Hugging Teddy Artw…
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