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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
“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
“I love every card I order from Greeting Card Universe! Why? Because you can find a card for everything you may need. I first discovered them in 2016 when I needed a card for my daughter's PHD graduation. I was able to design one with her actual picture. All her friends asked where I had gotten it! I have ordered since then! Quality is EXCELLENT! You can personalize anything! I even sent a thank you to one of my doctors who went above and beyond! He was so surprised he showed it to everyone on his staff! Great company!”
Elvira - Nov 1st, 2026
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Cards: 4,861 Pages: 163
Most Popular Newest Show adult cards
60th Birthday Sister with Pink Fizz Bottle Glass a…
Happy 56th Birthday Sister with Typewriter, Chicka…
Happy 85th Birthday for a Sister, Rudbeckia flower…
Happy 59th Birthday Sister with Typewriter, Chicka…
Happy 77th Birthday or a Stunning Sister, Purple A…
Best Sister Ever 23rd Birthday Typography in Pink …
Happy Birthday delicate pink roses card
Sister Birthday - Chickadee card
Happy 86th Birthday Sister with Typewriter, Chicka…
A Birthday Wish for a Wonderful Little Sister, Pur…
77th Happy Birthday Sister, Magnolia Blossom card
Sister, 103rd, Happy Birthday, Mason Jar, Flowers,…
BIRTHDAY, SISTER, LOTUS FLOWER IN DROPLET card
Hey Sister, its Your 56th Birthday, Sea Shells and…
Best Sister Ever 66th Birthday Typography in Pink …
Happy Birthday Awesome Sister Hand Drawn Flowers c…
Happy 69th Birthday to a Special Sister, Orange fl…
30th Happy Birthday Sister, Magnolia Blossom card
10th Birthday Sister Unicorn Sitting On Rainbow Wi…
Birthday to Twin Sister with Two Baby Peas in a Po…
98th Happy Birthday Sister, Magnolia Blossom card
84th Happy Birthday Sister, Magnolia Blossom card
Happy 15th Birthday to My Sister Party Cake card
Hey Sister, its Your 72nd Birthday, Sea Shells and…
Happy Springtime Birthday for a Sister, Flower Col…
Hey Sister, its Your 61st Birthday, Sea Shells and…
59th Happy Birthday Sister, Magnolia Blossom card
My Fun Loving Big Sister - Celebrate Fun Together …
Fifty Third Birthday Card Cartoon Bear My Sister’s…
Birthday, Sister, Water Lily, Religious card
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