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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 these cards. They look great and arrive in perfect condition and very fast!”
Susan - Nov 1st, 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
Cards per Page:
Cards: 4,835 Pages: 162
Most Popular Newest Show adult cards
Happy 60th Birthday for a Sister, Rudbeckia flower…
Sister 62nd Birthday White Flowers card
Best Sister Ever 77th Birthday Typography in Pink …
Happy Birthday to Horse Lovin’ Sister Candles on H…
Birthday Card For Sister In The Big Cookie Of Life…
Shedding Cat Humor Happy Birthday for Sister card
Birthday Heart of Flowers for a Sweet Sister on he…
Happy Birthday Sister Colorful Flowers card
15th Birthday for Sister Trendy Bling Turquoise Dr…
Sister 90th Birthday Pink Teacup with Lily of the …
Sister Watercolor Wild Flowers card
Best Sister Ever 63rd Birthday Typography in Pink …
Birthday for Drama Queen Little Sister from Brothe…
Sister’s birthday photo card with zigzag pattern c…
Humorous Sister Birthday You’ve Been Like A Sister…
Sister, Happy Birthday to Sister, Misty Tulip Gard…
Sister, Birthday - Cupcake in green cup card
Sister Happy May Birthday Tigerlily May Birth Mont…
Sister Religious Birthday to Watercolor Butterflie…
Happy Birthday Sister Two Girls Side by Side card
Happy Birthday to my Big Sister Cartoon Cats Holdi…
Pink Watercolor Flowers Sister 60th Birthday card
For Sister’s Birthday with Balloons Bunting Stars …
40th Birthday For Sister Black High Heels Photocar…
Birthday Wish for Dear Sister, Seashell on Beach c…
Birthday Heart of Flowers for a Sweet Sister on he…
Fortieth Birthday Card With Cartoon Bear My Sister…
Sister, 59th, Happy Birthday, Mason Jar, Flowers, …
Sister, 77th, Happy Birthday, Mason Jar, Flowers, …
Best Sister Ever 55th Birthday Typography in Pink …
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