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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 (187,979)
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Shopper Testimonials
“I can always find a card for any occasion/person. They arrive promptly, well-packaged, and nicely printed.”
Patsy - Arlington, Virginia - Jul 21st, 2025
“I have been ordering from Greeting Card Universe for a few years now. Great selection and I love that I can personalize the inside of each card. I get many complements about the cards and always make sure to tell everyone where they came from.”
Kathleen - Jul 21st, 2025
Cards per Page:
Cards: 4,704 Pages: 157
Most Popular Newest Show adult cards
Sister Happy Birthday Roses card
Sister Birthday Wishes Sweet Bird on Tea Cup card
Happy Birthday Sister pink butterfly garden card
Happy Birthday to my Extra Special Sister Tulip ca…
Sister Birthday My Amazing Sister She is Brave Bea…
Sister Birthday - Funny card
Sister’s 70th Birthday Vintage Rose Garden card
Sister Birthday card
Birthday for Wonderful Sister Ribbon Topped Rainbo…
50th birthday for twin sister with balloons card
Sister’s birthday, many candles on cake card
Birthday, Sister, Religious, Pink Alstroemeria Flo…
For Sister 80th Birthday Yellow Watercolour Roses …
Birthday for Sister Custom Photo Card Sentimental …
Happy Birthday Sister Pink Ranunculus Flowers Wate…
Sister, 70th, Happy Birthday, Mason Jar, Flowers, …
Happy Birthday Sister, Simple Pink rose card
Best Sister Ever 70th Birthday Typography in Pink …
Happy Birthday Sister Cute Dog With Cake card
Special Sister Birthday Cake with Candles card
Happy Birthday Sister Pink Foxglove Watercolor car…
Customizable Birthday for Little Sister Mermaid Fr…
Happy Birthday Special Sister, Across Miles, Bird,…
To a Special Sister Birthday Floral Wheelbarrow ca…
For Sister Christian Birthday Blessings Purple Ros…
For Sister 70th Birthday White Flowers card
Happy Birthday for Only Sister - Purple Butterfly …
Birthday Card For Older Sister From Younger Sister…
Happy Birthday Sister, Flowers with Butterfly card
Happy Birthday, Sister, Tabby Cat and Hearts, Art …
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