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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
“I haven't been disappointed with all my card orders...plus a lot of fun to create!”
Mabel - Las Vegas, Nevada - 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
Cards per Page:
Cards: 4,835 Pages: 162
Most Popular Newest Show adult cards
Birthday for Sister, Message In A Bottle card
Birthday Heart of Flowers for a Sweet Sister on he…
Sister 21st Birthday Custom Photos With Stripes ca…
Sister 83rd Birthday White Flowers card
For Sister August Birthday with Red Field Poppies …
Sister, November Birthday, Maple Leaves card
Custom Relative Sister Birthday Brown Highland Cow…
Sister Funny Happy Birthday Song Sheet Music card
Happy 71st Birthday to a Special Sister, Orange fl…
Happy Birthday Sister, The Beauty of a Peony card
70th Birthday Sister with Pink Fizz Bottle Glass a…
Birthday for sister, close up of a sunflower with …
For Sister June Birthday Yellow Dreaming Spires Ro…
Happy Birthday Sister Lavender Flowers Honey Bees …
Happy Birthday, Sis! - Humorous card
Black Sister From Sister Birthday Reminds Me A Lot…
Birthday For Sister With Cartoon Girl As Awesome A…
Sister Humorous Birthday Card - Dog with Headphone…
89th Birthday, Sister, Pink Rose card
Big Sister Birthday Foxes Leaves on Branches card
Happy 65th Birthday Sister Garden Flowers card
Pansy photo card for sister’s birthday card
Happy 65th Birthday for a Sister, Rudbeckia flower…
Birthday Heart of Flowers for a Sweet Sister on he…
Happy Birthday Sister Red Tulips Spring Flowers ca…
68th Birthday, Sister, Pink Rose card
Sister Funny Birthday with Lots of Colorful Candle…
Sister Birthday Girl Holding Balloons Walking in F…
Sister 30 Birthday - Sneaks Up on You card
Happy birthday to big sister, Cat hugging yarn bal…
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