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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 (191,720)
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Shopper Testimonials
“I haven't been disappointed with all my card orders...plus a lot of fun to create!”
Mabel - Las Vegas, Nevada - Nov 3rd, 2026
“I recently had an appointment with my doctor. She was tearful during the exam. The office help noticed and I chimed in. She began telling her story to me and I sent this card to cheer her up. I liked the inside message and front picture. I felt so happy. I was able to send this card to cheer her up a bit. She was going through a rough time personally. The card fit the situation. Paul Safran”
Paul - Camarillo, Ca. - Nov 1st, 2026
Cards per Page:
Cards: 4,861 Pages: 163
Most Popular Newest Show adult cards
Country bicycle, happy birthday card
Birthday Sister Kaleidoscope Collection Abstract M…
Little sister from big sister birthday, cake, pink…
Birthday, Sister, Bunny Rabbit, Robin, and Flowers…
Sister Champagne and Shoes Butterfly and Rose Birt…
82nd Birthday for Sister, Pearls and Petals card
76th Birthday for Sister, Pearls and Petals card
Birthday For Twin Sister Yea, It’s Your Birthday Y…
Humorous Twin Sister Birthday To Someone Who Remin…
Sister - Capricorn Birthday - General - Zodiac Sig…
For Sister 49th Birthday White Flowers card
Birthday Daylily Sister card
Happy Birthday for Sister - French macarons card
Sister Birthday - FUNNY card
Sister Birthday Cow Flowers card
Pink Watercolor Flowers Sister Birthday Card
Happy 85th Birthday Sister Purple Flowers card
Birthday Card For Older Sister Even Though You Tol…
45th Birthday, Sister, Pink Rose card
Twin Sister, Happy Birthday, Teacup, Lily of the V…
Violets, Polka Dots February Birthday Card for Sis…
Happy January Birthday for a Cool Sister, Lighthou…
Birthday Sister Lilac Misty Lake Reflections card
Sister Birthday with Cupcake and Roses Custom Cove…
Birthday, Sister, Enchanting Almost Mystical Natur…
Happy February Birthday for a Cool Sister, Lightho…
Happy 64th Birthday or a Stunning Sister, Purple A…
Best Sister Ever 53rd Birthday Typography in Pink …
67th Birthday for Sister, Pearls and Petals card
Sister Birthday with Violet Flowers and Leaves car…
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