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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: 4,861 Pages: 163
Most Popular Newest Show adult cards
Birthday, sis card
Happy Birthday - Sister- Floral card
Birthday wishes for sister, little presents and co…
11th Birthday for Sister, Colored Balloons in Blue…
Birthday Heart of Flowers for a Sweet Sister on he…
Happy Birthday Groovy Sis card
Sister Birthday Bright Bold Daisies card
Happy 87th Birthday, Sister, Monarch Butterfly car…
Sis Happy 50th Birthday Be a Work of Art Oscar Wil…
Happy 48th Birthday for a Sister, Rudbeckia flower…
Happy Birthday Sister - yellow wild flowers card
Sister Sweet 16 Birthday African American Girl on …
Birthday Heart of Flowers for a Sweet Sister on he…
BIRTHDAY Sister card
Happy 89th Birthday or a Stunning Sister, Purple A…
Birthday, Sister, Calico Cat Perched on Wood Post …
Happy 87th Birthday or a Stunning Sister, Purple A…
Happy Birthday Sister Word Cloud card
Happy 86th Birthday or a Stunning Sister, Purple A…
34th Birthday, Sister, Pink Rose card
For a Sweet Sister on Her 30th Birthday, Starfish …
Happy 25th Birthday to a Special Sister, Orange fl…
Hey Sister, its Your 44th Birthday, Sea Shells and…
Happy 99th Birthday to a Special Sister, Orange fl…
Happy 18th Birthday to a Special Sister, Orange fl…
Hey Sister, its Your 41st Birthday, Sea Shells and…
Happy 90th Birthday for a Sister, Rudbeckia flower…
Happy 28th Birthday to a Wonderful Little Sister, …
Birthday To Sister, Raccoon with party hat, balloo…
Happy 95th Birthday to a Special Sister, Orange fl…
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