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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
“My dentist will love his thank you card. This is a colorful and beautiful card. It has the most meaningful words to let him know how much I appreciate him for all his help and care which has truly made a difference in my life.”
Ruby - Nov 3rd, 2026
“I like that I can have a theme for Christmas this year snowmen (or snowpersons) last year it was trees. Can't remember the other years. Thank you for making it so easy to order.”
Phyllis - Nov 4th, 2026
Cards per Page:
Cards: 4,835 Pages: 162
Most Popular Newest Show adult cards
Happy Birthday Big Sister, Sunset and Heart card
Happy Birthday to Sister with Bike Basket of Hydra…
Soft Pink Carnation in Vase, Happy Birthday Sister…
Little Sister Green Frog Birthday With Hand Letter…
66th Birthday, Sister, Pink Rose card
Believe In Angel Magical Sister Birthday card
Happy Birthday Sister Pastel Bouquet card
Thinking of You on Your Birthday Sister English Da…
Happy 76th Birthday Sister with Typewriter, Chicka…
75th birthday for sister, with a stitched flower c…
Sister’s 2nd Birthday with Pretty Floral Pattern c…
70th birthday for sister, with a stitched flower c…
Sister’s 100th Birthday Pink Rose Garden card
56th Birthday, Sister, Pink Rose card
Happy Birthday Little Sister Janessa Older Boy wit…
Sister Birthday Mystical Flowers and Moths card
65th Birthday,Sister,Purple Helebore Flower card
Custom Name Sister Birthday Whimsical Gnome Baker …
80th birthday for sister, with a stitched flower c…
Birthday for Sister Hibiscus Colorful Tropical Flo…
Young Flapper 1920s Girl Roaring Good Time Birthda…
Birthday, Sister, Ocean Sunset with Birds card
Sister 61st Birthday White Flowers card
Morning Lilac Happy Birthday Sister card
Sister 92nd Birthday Pink Teacup with Lily of the …
Happy Birthday Sister Pink Flowering Cherry Waterc…
Happy Birthday Sister, pink flowers card
Happy Birthday Sister Hearts and Flowers card
Birthday for Sister, Bicycle, Rabbit, Flower Baske…
Birthday Card For Sister With Cartoon Of Young Sib…
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