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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 (191,681)
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Shopper Testimonials
“Love both of these cards. Couldn't find what I wanted anywhere else and these are perfect.”
Earlene - Nov 2nd, 2026
“I liked the design and thoughtful message that expressed the sentiment that I wanted to send. Cards arrived promptly and I like the option to personalize some of the cards.”
Doris - Nov 2nd, 2026
Cards per Page:
Cards: 4,840 Pages: 162
Most Popular Newest Show adult cards
Sister, Little Garden Fairy With Flowers card
Hey Sister, its Your 22nd Birthday, Sea Shells and…
Sister 97th Birthday Pink Teacup with Lily of the …
Sister 100th Birthday Pink Teacup with Lily of the…
Best Sister Ever 56th Birthday Typography in Pink …
Hey Sister, its Your 19th Birthday, Sea Shells and…
To a very special Sister card
Happy Birthday Sister card
Happy Birthday Sister Mountains Landscape Sky Sunr…
Best Sister Ever 59th Birthday Typography in Pink …
Happy 14th Birthday Sister with Typewriter, Chicka…
Happy Birthday, My Sister card
Happy 7th Birthday to My Sister Party Cake card
Sister 98th Birthday White Flowers card
Birthday for sister, pink abstract florals on off …
For Sister 50th Birthday Custom Farmhouse in Lake …
Happy 24th Birthday, Sister, Monarch Butterfly car…
Sister’s 4th Birthday Cute Girl Hugging Teddy Artw…
33rd Birthday for a Special Sister, Magnolia Bloss…
For Sister 16th Birthday Hip Hip Hooray Hearts and…
6th Birthday Sister Unicorn Sitting On Rainbow Wit…
Happy 19th Birthday, Sister, Monarch Butterfly car…
Sister - Little Bird Told Me - Birthday card
Let the Party Begin Balloons Presents Sister card
Birthday Wishes for a Sister, Deer, whitetail buck…
30th Birthday Sister with Pink Fizz Bottle Glass a…
Happy 45th Birthday to a Special Sister, Orange fl…
Birthday Sister Bright and Large Sunflower Motif D…
Birthday Heart of Flowers for a Sweet Sister on he…
Happy 106th Birthday Sister with Typewriter, Chick…
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