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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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Birthday (191,718)
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Shopper Testimonials
“I liked the design and thoughtful message that expressed the sentiment that I wanted to send. Cards arrived promptly and I like the option to personalize some of the cards.”
Doris - Nov 2nd, 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
Sister Happy March Birthday Robin with Daffodil Ca…
91st Happy Birthday Sister, Magnolia Blossom card
Happy 56th Birthday or a Stunning Sister, Purple A…
Happy 41st Birthday or a Stunning Sister, Purple A…
Happy Birthday Sister · Avian Ambassador card
Happy 63rd Birthday, Sister, Monarch Butterfly car…
Happy Birthday Sister card
Happy 52nd Birthday to a Special Sister, Orange fl…
Happy 49th Birthday to a Special Sister, Orange fl…
Happy Birthday for Sister-Primitive Lamb-God Bless…
Birthday for Sister Red Poppy and Seed Pod Floral …
89th Birthday for Sister, Pearls and Petals card
93rd Birthday for Sister, Pearls and Petals card
For Twin Sister on Birthday Fairy Princess Pen Wat…
Happy Birthday Sister! Confetti & Scissors card
Add a picture,Sister age 95, with pink rose and je…
Sister Birthday Peonies card
For a Sister, a Spa Like,Tranquil, Blue Birthday c…
Fifty Fourth Birthday Card Cartoon Bear My Sister’…
Sister Guitar Player Birthday Plectrum Tucked into…
53rd birthday for sister, pearls and petals card
54th birthday for sister, pearls and petals card
For Sister on Birthday Derwentwater Lake District …
For Sister on Birthday Watercolor Peachy Gladioli …
For Sister on Birthday Poppy Field Landscape Water…
Sister 8 Year Old Birthday Gamer Controller card
Happy Birthday to a Sister Sweeter than Sugar with…
Happy Birthday Sister Apple Blossom Watercolor car…
Birthday, Sister, Sweet Peas and Butterflies, Humo…
53rd Birthday, Sister, Pink Rose card
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