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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 (188,477)
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Shopper Testimonials
“Beautiful card. Perfect for the occasion - especially since the birthday girl's name is Rose.”
Karen - Oct 13th, 2025
“This is the perfect card to present for the services I received. Thank you Greeting Card Universe.”
Lawrence Bedeau Sr. - Oct 14th, 2025
Cards per Page:
Cards: 4,651 Pages: 156
Most Popular Newest Show adult cards
66th Birthday for Sister, Pearls and Petals card
Humorous Sister’s Birthday With Cartoon Boy With W…
Happy Birthday -Sister card
Happy 60th Birthday Sister Garden Flowers card
Little Hummingbird Birthday Wish For Sister card
Happy Birthday Sister White Boxer Dog card
Sister Happy 5th Birthday Adorable Girl and Cat Fa…
Sister Happy 4th Birthday Adorable Girl and Cat Fa…
Sister Happy 3rd Birthday Adorable Girl and Cat Fa…
Happy 75th Birthday for a Sister, Rudbeckia flower…
Birthday card for my Twin - pink Hibiscus flowers …
Dear Sister, don’t count your birthdays, celebrate…
Happy Birthday, Sister - Grinning Hippo card
Younger Sister Catching Up With Big Sister On Her …
Birthday Twin Sister with Two Orange Tulips and Tw…
Sister Birthday Wishes Rainbow Candles Purple Cake…
For Sister on Birthday Purple Irises Floral Illust…
Sister Letters card
Happy 60th Birthday Sister with Typewriter, Chicka…
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
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