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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
“Love these cards. They look great and arrive in perfect condition and very fast!”
Susan - Nov 1st, 2026
“We would be lost without Greeting Card Universe. What other greeting card company has endless selections, the added bonus of personalization and prices that cannot be beat. We highly recommend Greeting Card Universe to all those who are frustrated with the limited greeting card selections in brick-and-mortar stores.”
Kathryn - Nov 3rd, 2026
Cards per Page:
Cards: 4,857 Pages: 162
Most Popular Newest Show adult cards
Birthday, SISTER, Blue and Green Peacock Feathers …
Birthday Heart of Flowers for a Sweet Sister on he…
8th Birthday Sister Unicorn Sitting On Rainbow Wit…
Happy 102nd Birthday Sister with Typewriter, Chick…
Hey Sister, its Your 49th Birthday, Sea Shells and…
Birthday Heart of Flowers for a Sweet Sister on he…
For Sister 20th Birthday Hip Hip Hooray Pretty Hea…
Sister Birthday Bees Cake Whimsical card
Sister 14th Birthday Crazy Socks card
16th Birthday for Sister Trendy Bling Turquoise Dr…
Sister Birthday Hydrangeas and Butterfly card
23rd Birthday for Sister Trendy Bling Turquoise Dr…
Happy Birthday Sister Rustic Cabin Tiny House Tree…
Happy Birthday Sister Daisy card
Happy Birthday Sister Landscape Mountains Car Road…
Happy Birthday to Coolest Sister Ever with Popsicl…
Humorous Birthday For Sister Mom And Dad’s Second …
For Sister on Birthday Petunia Rose Floral Wreath …
Hey Sister, its Your 78th Birthday, Sea Shells and…
50th Birthday to Sister with a Pomeranian Smiling …
Happy 82nd Birthday, Sister, Monarch Butterfly car…
Happy 81st Birthday, Sister, Monarch Butterfly car…
Happy Birthday Sister Floral Multi Color card
Happy 35th Birthday to a Special Sister, Orange fl…
Happy 19th Birthday or a Stunning Sister, Purple A…
Happy 82nd Birthday or a Stunning Sister, Purple A…
Sister Birthday Charlotte Custom Name Young Girl w…
Sister Birthday Cute Llama Balloons You Look Amazi…
Happy 94th Birthday to a Special Sister, Orange fl…
Happy Birthday for a Special Big Sister, Lady Slip…
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