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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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Shopper Testimonials
“Love the cards I get from this site.”
Kristine - Nov 3rd, 2026
“Greeting Card Universe is my go to for all my cards. They have a great selection for all occasions. I just got my sister a lovely birthday card for her 75th birthday and I like that I was able to edit the inside with my own personalized message. Good quality, always great and never lets me down.”
Nancy - Nov 2nd, 2026
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Cards per Page:
Cards: 4,835 Pages: 162
Most Popular Newest Show adult cards
Happy Birthday Sister Buddleia Butterfly Watercolo…
Birthday For my Big Sister Who Gives The Best in L…
Dutch tulip on wooden shoe for Sister’s birthday c…
Sister Birthday Milkweed in Purple card
Pink floral border for sister’s birthday card
Happy Birthday Sister - White & Purple Flowers car…
Happy Birthday Sister - Lavender Flowers & Swirls …
Big Sister Birthday with Cute Fairy Flowers and Mi…
For sister, Wordsearch birthday card
Happy Birthday To Big Sister From Brother Illustra…
Happy Birthday for Big Sister - Purple Butterfly c…
21st Birthday for Sister Trendy Bling Turquoise Dr…
91st Birthday, Sister, Pink Rose card
Birthday to Sister Lighthouse on Rocky Shore card
Sister Happy Birthday Wine Funny Half Full Cheers …
For Sister 95th Birthday White Flowers card
Happy Birthday Sister White Boxer Dog card
Sister’s Birthday When I Look At You I See A Unico…
50th Birthday for sister with lily of the valley b…
Sister Letters card
Birthday to Favorite Sister Blue Floral card
20th Birthday for Sister Trendy Bling Turquoise Dr…
Hey Sister, its Your 67th Birthday, Sea Shells and…
For Sister 50th Birthday Yellow Watercolour Roses …
Happy 62nd Birthday, Sister, Monarch Butterfly car…
Sister, Birthday Celebration Dogs, Lots of dogs ca…
For Sister’s April Birthday Pink and Purple Sweet …
Hey Sister, its Your 74th Birthday, Sea Shells and…
Sister Happy Birthday Colorful Presents Party Hats…
Happy 75th Birthday Sister Purple Flowers card
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