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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
“WOW!! Now that's what I call a FAST delivery...Thank You for a flawless transaction. Your cards are over-the-top in quality, artistry and selection. Glad to have found you!!!”
Linda - Nov 1st, 2026
Cards per Page:
Cards: 4,861 Pages: 163
Most Popular Newest Show adult cards
For a Little Sister Happy Birthday, Orange daylily…
Sister Happy Birthday in Pink and Purple with Whit…
Happy 11th Birthday for a Sister, Rudbeckia flower…
89th Happy Birthday Sister, Magnolia Blossom card
Hey Sister, its Your 97th Birthday, Sea Shells and…
Sister, 93rd, Happy Birthday, Mason Jar, Flowers, …
Happy Birthday Sister card
Happy 22nd Birthday for a Sister, Rudbeckia flower…
Happy 27th Birthday for a Sister, Rudbeckia flower…
For Sister Custom Age Birthday Black Fairy in Pink…
Happy Birthday Sister, Cartoon Balloon Poeple card
Lion and Lamb Icing- Birthday Time for Sister card
Hey Sister, its Your 82nd Birthday, Sea Shells and…
Happy Birthday to a Wonderful Big Sister, Peach ro…
Hey Sister, its Your 81st Birthday, Sea Shells and…
Sister Birthday Morning Glory card
Birthday for Big Sister - Little Angel Penguin on …
47th Happy Birthday Sister, Magnolia Blossom card
21st Birthday, Sister, Pink Rose card
41st Birthday, Sister, Pink Rose card
Customizable First Birthday Baby and Gifts for Lit…
4th Birthday, Sister, Happy Dog, Party Hat card
For Sister on Birthday Yellow Mimosa Botanical Wat…
Happy Sister’s Day! For Twin Sister, Red Flowers i…
Vines - birthday sister card
Add a picture,Sister age 35, with pink rose and je…
Add a picture,Sister age 18, with pink rose and je…
Happy birthday to my sister cute girl with balloon…
Birthday for Sister - Little Angel Penguin on Pink…
Twin Sister Happy Birthday with Flowers Butterflie…
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