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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 (187,261)
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Shopper Testimonials
“Great cards. Customization made it great!”
Patricia - Aug 22nd, 2025
“As I have mentioned numerous times, the quality, packaging and delivery time frame is outstanding.”
Janet - Aug 24th, 2025
Cards per Page:
Cards: 4,631 Pages: 155
Most Popular Newest Show adult cards
Happy 74th Birthday, Sister, Monarch Butterfly car…
Happy Birthday for Sister Sunflowers and Bees card
Happy 80th Birthday Sister with Typewriter, Chicka…
For little sister, Happy birthday with roses card
Tea Party Girls Birthday-sister card
Cute grey bear popping out from Birthday present f…
Happy 90th Birthday to a Special Sister, Orange fl…
Sister, November Birthday, Maple Leaves card
Custom Relative Sister Birthday Brown Highland Cow…
Birthday, Sister, Brown and White Horse card
Birthday Brother to Sister Siblings Memories from …
78th Birthday, Sister, Pink Rose card
Happy Birthday Sister Cardinal Bird card
Birthday For Sister With Cartoon Girl As Awesome A…
Big Sister Birthday Foxes Leaves on Branches card
Happy Birthday Sister - Sweet Cat card
Happy 71st Birthday to a Special Sister, Orange fl…
For Sister February Birthday with Primroses card
Happy Birthday Big Sister, pink flowers card
89th Birthday, Sister, Pink Rose card
Happy 85th Birthday to a Special Sister, Orange fl…
Sister 30 Birthday - Sneaks Up on You card
For my Little Sister, Happy Birthday wishes, Tulip…
Funny Sister Birthday Don’t Worry About Getting Ol…
Sister Funny Birthday with Lots of Colorful Candle…
Happy Birthday Sister Beautiful Day for Birthday F…
Sister, 64th, Happy Birthday, Mason Jar, Flowers, …
Sister Funny Happy Birthday Song Sheet Music card
Happy Birthday for Big Sister from Brother Boy and…
My Sister Birthday Iris Flower card
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