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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 (191,682)
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Shopper Testimonials
“Great quality and excellent packaging to protect the delivery. I also love your wide selection of cards. I will be back!”
Susan - Nov 1st, 2026
“I absolutely love Greeting Card Universe! It is so much fun being able to create the text of the cards you are buying. Price is another bonus, their cards are so reasonable. Also, Customer Service is outstanding and work with you perfectly. I recommend this business 100%”
Karen - Nov 1st, 2026
Cards per Page:
Cards: 4,840 Pages: 162
Most Popular Newest Show adult cards
Happy 96th Birthday Sister with Typewriter, Chicka…
Big Sister 7th Birthday Cute Girl with Animal Frie…
Happy 98th Birthday Sister with Typewriter, Chicka…
Best Sister Ever 74th Birthday Typography in Pink …
Happy 100th Birthday Sister with Typewriter, Chick…
Little Sister 3rd Birthday Cute Girl with Animal F…
Little Sister’s 4th Birthday with Pretty Floral Pa…
Birthday Sister card
91st Birthday for Sister, Pearls and Petals card
98th Birthday for Sister, Pearls and Petals card
99th Birthday for Sister, Pearls and Petals card
Sister Birthday Bright Sunshine card
Happy Birthday Sister, Crazy cat lady starter kit,…
30th birthday for sister, with a stitched flower c…
Sister Birthday Flowers and Butterflies card
Best Sister In The World Birthday card
47th birthday for sister, pearls and petals card
52nd birthday for sister, pearls and petals card
Add a picture,Sister age 16, with pink rose and je…
95th birthday for sister, with a stitched flower c…
Birthday to Sister, two adorable raccoons painting…
Sister / Birthday ~ Pheasant and Butterflies in a …
30th Birthday, Sister, with Magnolia card
18th Birthday, Sister, with Magnolia card
22nd Birthday, Sister, with Magnolia card
17th Birthday,Sister,Purple Helebore Flower card
43rd Birthday, Sister, Pink Rose card
Sister Birthday with a Red Rose card
19th Birthday, Sister, Pink Rose card
For Sister on 19th Birthday Spring Flowers Waterco…
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