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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 (187,261)
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Shopper Testimonials
“Love all the cards that I buy, I even personalize some of them.”
Elaine - North Babylon, New York - Aug 26th, 2025
“The card arrived promptly and I was very pleased with the results.”
Lisa - Aug 26th, 2025
Cards per Page:
Cards: 4,631 Pages: 155
Most Popular Newest Show adult cards
Sister’s 4th Birthday Cute Girl Hugging Teddy Artw…
10th Birthday for Sister, Colored Balloons in Blue…
20th Birthday to Sister, Hot Dog with cute face, g…
Sister Happy Birthday with Pretty Unicorn and Flow…
27th Happy Birthday Sister, Magnolia Blossom card
Birthday For Sister Rose Water In a Cut Glass Bott…
Sister’s 9th Birthday Rainbow Unicorn card
Sister’s 5th Birthday Cute Girl Hugging Teddy Artw…
Happy 92nd Birthday, Sister, Monarch Butterfly car…
Hey Sister, its Your 15th Birthday, Sea Shells and…
Sister’s 10th Birthday Rainbow Unicorn card
Happy Birthday Big Sister, Butterfly card
Happy 91st Birthday, Sister, Monarch Butterfly car…
Sister Happy Birthday, Pink Flower with Blue Sky c…
Happy 20th Birthday for Sister, Blue Aqua and Red …
26th Happy Birthday Sister, Magnolia Blossom card
Birthday To Sister, Raccoon in bow frame with flow…
Happy 16th Birthday for my Sister, A Young Fawn in…
10th Birthday to Sister, Hot Dog with cute face, g…
12th Birthday for Sister, Colored Balloons in Blue…
Happy 49th Birthday, Sister, Monarch Butterfly car…
Happy 31st Birthday or a Stunning Sister, Purple A…
Sister, Hickory Dickory Dock Mouse And Clock card
Happy 15th Birthday for my Sister, A Young Fawn in…
Happy 41st Birthday for a Sister, Rudbeckia flower…
Hey Sister, its Your 14th Birthday, Sea Shells and…
Happy 30th Birthday or a Stunning Sister, Purple A…
Happy Birthday Dear Sister Peach Pink and Green Fl…
Happy Birthday Sister Colored Balloons card
Happy 14th Birthday for my Sister, A Young Fawn in…
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