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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 (191,703)
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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
“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
Cards per Page:
Cards: 4,861 Pages: 163
Most Popular Newest Show adult cards
Happy Birthday Sister Forest Landscape Fine Art ca…
Happy Birthday Sister Landscape Poppy Wildflowers …
Happy Birthday Sister Smiling Bee Face and Daisies…
44th Birthday, Sister, Pink Rose card
Happy Birthday Sister Wildflower Floral Botanical …
Birthday to Sister, beautiful ultra purple and whi…
Happy Birthday Dear Sister Peach Pink and Green Fl…
Sister’s Birthday Sister’s Don’t Need Words With C…
For Sister.Happy birthday, Mouse and turning back …
Happy 30th Birthday Sister Garden Bouquet card
Happy Birthday Sister, Rudbeckia flowers card
Humorous Twin Birthday From Your Better Looking Tw…
Happy Birthday for sister. Orange Daisy card
Birthday Heart of Flowers for a Sweet Sister on he…
Happy Birthday for a Little Sister, Red Dahlia car…
Pink Tutu, Ballet, Happy Birthday Sister card
Happy Birthday Wishes, for my Big Sister, Butterfl…
Happy 92nd Birthday or a Stunning Sister, Purple A…
Sister - Fabulous Sister - Duckface Selfie Cell Ph…
Birthday Heart of Flowers for a Sweet Sister on he…
Sister 12th Birthday Polka dots card
Birthday Sister Shades of Gray Floral Arrangement …
Happy Birthday Sister - Cake and Candles card
Happy Birthday for My Little Sister, Brush Creek w…
Happy Birthday Amazing Sister with Cute Drawing of…
95th Happy Birthday Sister, Magnolia Blossom card
Sister on Birthday - Orange Zinnia card
Happy 88th Birthday to a Special Sister, Orange fl…
Happy 51st Birthday or a Stunning Sister, Purple A…
Berry Happy Birthday for Little Sister, Fresh Cut …
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