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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
“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: 4,861 Pages: 163
Most Popular Newest Show adult cards
Happy Birthday to Sister Adorable Woodland Animals…
Daisy Petals, Water Drops, Sister Birthday card
Happy Birthday Sister ~ Cherry Blossoms card
21st Birthday to Sister, Pomeranian smiling wearin…
Sisters Birthday Card - Fairy Princess card
Happy 61st Birthday to a Special Sister, Orange fl…
Twin Sister’s Birthday with Fairy Princess card
Best Sister Ever 26th Birthday Typography in Pink …
Happy 71st Birthday Sister with Typewriter, Chicka…
Happy 92nd Birthday for a Sister, Rudbeckia flower…
Funny Birthday Sister Surprised Goose How Old Humo…
Happy Birthday Sister - Red Pink Hearts Flowers on…
Birthday Sister Soft Pastel Flowers card
Birthday card for Sister with Teddy Bear and sweet…
Sister, Happy 74th Birthday, Sunflowers card
Jack Frost - You, Older? Humorous Birthday Card fo…
Happy January Birthday, For a Sister card
Birthday, Sister, Roseate Spoonbill Bird, Humor ca…
Happy 48th Birthday or a Stunning Sister, Purple A…
Happy Birthday, Big Sister, Monarch Butterfly on Y…
Little Sister, Little Garden Fairy With Flowers ca…
Birthday For Big Sister Cool And Casual card
Sister 102nd Birthday Pink Teacup with Lily of the…
47th Birthday, Sister, Pink Rose card
Sister Birthday Wishes Text Butterflies card
Birthday Heart of Flowers for a Sweet Sister on he…
Birthday, Sister, Feminine, Delicate Peonies & Ros…
Happy Birthday Hearts For Sister/Custom card
48th Birthday, Sister, Pink Rose card
To my sister happy birthday princess card
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