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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 (188,454)
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Shopper Testimonials
“Thank you. The card was lovely and I am so happy with it.”
Teresa - Oct 12th, 2025
“You make the most beautiful cards. I love all that I've ordered from you.They also arrive so quickly & are reasonably priced. My thanks to all of you.”
Mary - Oct 14th, 2025
Cards per Page:
Cards: 4,652 Pages: 156
Most Popular Newest Show adult cards
Sisterly Bond Grape Hyacinth Birthday card
75th Birthday,Sister,Purple Helebore Flower card
Happy Birthday Sister, half pink gerber daisy with…
69th Birthday, Sister, Pink Rose card
71st Birthday, Sister, Pink Rose card
Big Sister Birthday As Your Younger Sister Remind …
Happy Birthday Big Sister Debi Younger Boy with Ol…
Hey Twin-Sister,..to sheep for a birthday present?…
Sister, 90th, Happy Birthday, Mason Jar, Flowers, …
Sweet 16 Pink Cake for Sister card
Big Sister Birthday, Unicorn Sitting On Rainbow Wi…
Sister Birthday with Cake African American Girl ca…
Birthday Sister Purple Pansies card
For Sister 59th Birthday White Flowers card
Birthday, Sister, Pink and Yellow Peace Rose card
Custom Relative Birthday Sister Yellow Rose Blosso…
Birthday for Sister-little girl with watering can …
73rd Birthday, Sister, Pink Rose card
BIRTHDAY, Sister, Embroidery Hoop with Message on …
Fifty Ninth Birthday Card Cartoon Bear My Sister’s…
Sister 60th Birthday Traditional card
Sister Birthday Puzzle Love to Pieces card
Happy 80th Birthday for a Sister, Rudbeckia flower…
Happy Birthday Blue Roses for Sis card
A Birthday Wish my Big Sister, As The Sun Rises, P…
79th Birthday, Sister, Pink Rose card
Happy Birthday Sister Computer Techie Gamer Game G…
Birthday, Sister Dainty Pink Cone Flower Isolated …
Birthday-twin sister card
Happy Birthday Custom Name Card Gnatcatcher Bird P…
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