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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
“A wonderful selection of beautiful cards for all occasions. Personalizations come out perfect. Shipped quickly and with upmost care. Best place to order cards.”
June - Nov 2nd, 2026
“Darling card and very appealing to a young child. Quality card with nice envelope.”
JUDITH - Nov 2nd, 2026
Cards per Page:
Cards: 4,861 Pages: 163
Most Popular Newest Show adult cards
Best Sister Ever 105th Birthday Typography in Pink…
Best Sister Ever 106th Birthday Typography in Pink…
Happy Birthday to My Wonderful Sister Lavender in …
Happy Birthday Sister Retro Geometric Shapes Diamo…
Happy 24th Birthday to a Special Sister, Orange fl…
Happy Birthday Sister card
For a Big Sister Happy Birthday, Orange daylily ca…
For Sister Happy Birthday Cat Meow Funny From Brot…
For a Sweet Sister on Her 25th Birthday, Starfish …
Twin Sister With Fantasy Female In Cream Dress And…
Birthday, Sis, soft flowers purple card
Sister, 97th, Happy Birthday, Mason Jar, Flowers, …
1st Birthday Sister Unicorn Sitting On Rainbow Wit…
For a Sweet Sister on Her 14th Birthday, Starfish …
21st Birthday,Sister,Purple Helebore Flower card
Happy Birthday Sister card
Sister 98th Birthday Pink Teacup with Lily of the …
Happy Birthday Sis Beach Huts Watercolor card
Happy 12th Birthday Sister with Typewriter, Chicka…
Happy Birthday Sister Boho Botanical Leaves Plants…
Sister 20th Birthday Pink Teacup with Lily of the …
Hey Sister, its Your 58th Birthday, Sea Shells and…
Birthday to Sister Humor with a Stick Female and H…
Birthday Wishes Sister card
Sister 24th Birthday Pink Teacup with Lily of the …
Sister’s Birthday with Bird and Flowers card
Happy 25th Birthday, Sister, Monarch Butterfly car…
Sister’s 5th Birthday Cute Girl Hugging Teddy Artw…
Humorous Sister Birthday Siblings Have Better Surv…
6th Birthday for a Little Sister Party with Kitten…
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