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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 (187,265)
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Shopper Testimonials
“Excellent service and product! Fast delivery and very pleased with the card!”
Paul - Aug 27th, 2025
“Love all the cards that I buy, I even personalize some of them.”
Elaine - North Babylon, New York - Aug 26th, 2025
Cards per Page:
Cards: 4,631 Pages: 155
Most Popular Newest Show adult cards
Hey Sister, its Your 19th Birthday, Sea Shells and…
Happy 33rd Birthday or a Stunning Sister, Purple A…
Happy 51st Birthday to a Wonderful Little Sister, …
Sister Happy Birthday, Yellow Flower with Yellow a…
Hey Sister, its Your 88th Birthday, Sea Shells and…
Hey Sister, its Your 18th Birthday, Sea Shells and…
Happy 32nd Birthday or a Stunning Sister, Purple A…
Happy 17th Birthday to a Wonderful Little Sister, …
Sister Happy Birthday, Yellow Daisy card
Elegant Happy Birthday Sister Pretty White Peony F…
Happy 16th Birthday to a Wonderful Little Sister, …
Hey Sister, its Your 87th Birthday, Sea Shells and…
Happy 6th Birthday to My Sister Party Cake card
Happy Birthday Sister, Green Apple on Black Backgr…
Happy 29th Birthday, Sister, Monarch Butterfly car…
Pink Water Lily and Pods-Happy Birthday Sister car…
Happy 7th Birthday to My Sister Party Cake card
Birthday for Sister, Raccoon with a blue, elephant…
Happy Birthday Wishes, for my Little Sister, Peach…
Happy 8th Birthday to My Sister Party Cake card
Happy 28th Birthday, Sister, Monarch Butterfly car…
Happy 9th Birthday to My Sister Party Cake card
5th Birthday for a Little Sister Kitten with Glass…
Sister -Happy Birthday-Favorite Emergency Medical …
Happy 27th Birthday, Sister, Monarch Butterfly car…
Hey Sister, its Your 86th Birthday, Sea Shells and…
Hey Sister, its Your 85th Birthday, Sea Shells and…
Birthday To Sister, Raccoon floating in a colorful…
Humorous Sister Birthday To The Sister I’m Least A…
Happy 26th Birthday, Sister, Monarch Butterfly car…
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