Birthday Cards
- I'm looking for
  Birthday Cards for Her
  Birthday Cards for Him
  Birthday Cards for Kids
  Birthday Age Cards
  Premium Square Birthday Cards
  Magazine Spoof Cards
- Shop All
- Who's it For
  For Her For Him For Kids Girls Boys Female Friend Male Friend Mum Dad Daughter Son Sister Brother Wife Husband LGBTQ+
- Age
  1st Birthday 18th Birthday 21st Birthday 30th Birthday 40th Birthday 50th Birthday 60th Birthday 70th Birthday 80th Birthday All Ages
- Card Styles
  April Birthdays Bestselling Create Your Own Funny Giant May Birthday Multi Photo Upload New In Birthday Photo Upload Premium Square Cards Trending 5 for £5
- Brands
  Barley Bear Bluey Cath Kidston Disney Lilo & Stitch Marvel Me to You Peppa Pig Star Wars Toys 'R' Us
Cards
- I'm looking for
  Anniversary Cards
  Anniversary Cards
  Photo Upload Cards
  Wedding Cards
  New Baby Cards
  Premium Square Cards
  Exam Good Luck Card
- Shop All
- Occasions
  Anniversary Announcement Adoption Baby Shower Back to School Christening & Baptism Anniversary Birthday Congratulations Engagement Exam Good Luck Get Well Soon Good Luck Graduation Just to Say Leaving New Baby New Home New Job Retirement Sorry Sympathy Thank You Thinking of You Wedding
- Card Styles
  Bestselling Create Your Own Funny Giant Cards Photo Photo Collage Postcards Premium Square Cards Rude Trending
- Seasonal
  Chinese New Year Christmas Diwali Easter Eid Father's Day Halloween Hanukkah Mother's Day New Year Rahki Ramadan Rosh Hashanah St David's Day St George's Day St Patrick's Day Valentine's Day
- Charities
  Cancer Research UK MQ Mental Health Charity Tree Nation
Flowers
- I'm looking for
  Birthday Flowers
  Spring Flowers
  Letterbox Flowers
  Flowers Under £30
- Shop All
- Occasions
  Anniversary Birthday Thinking of You Congratulations Get Well Soon New Baby Sympathy Thank You
- Type
  Letterbox Ready to Arrange Rose Bouquets
- Budget
  Under £30 £30 & Over
Personalised Gifts
- I'm looking for
  Personalised Lindt
  Personalised Nutella
  Personalised Mugs
  Personalised Keyrings
  Personalised Phone Cases
  Disney, Marvel & Star Wars
- Shop All
- AlcoholAlcoholAprons Baby Grows Balloons Baubles Calendars Canvas Prints Coasters Cushions Disney, Marvel & Star Wars GlasswareGlasswareHoodies & Sweatshirts Keyrings
- Magnets Memory Boxes Mugs Notebooks Personalised Lindt Personalised Prints Personalised Nutella Pens Phone CasesPhone CasesPhoto Blocks Photo Frames Posters Snow Globes
- Socks Snow Globes Socks T-Shirts Teddy Bears Tote Bags Tree Toppers Wall Art Wrapping Paper
Gifts
- I'm looking for
  Birthday Gifts
  Birthday Gifts
  Alcohol
  Cath Kidston
  Yankee Candle
  Lindt
  Funky Gift Offers
- Shop All
- Occasions
  Birthday Anniversary Baby Shower Christening Congratulations Engagement Get Well Soon Good Luck & Leaving Graduation New Baby New Home New Job Retirement Sorry & Sympathy Thank You Thinking of You Wedding
- Gifts by Price
  Under £5 Under £10 Under £15 Under £20 Luxury Gifts
- Popular
  For HerFor HerFor HimFor HimFor Kids April Gifts Alcohol Balloons Beauty & Wellness Books Chocolates Engraved Gifts Funky Gift Offers Food & Drink Funny Gifts Gift Cards Hampers & Gift Sets Jewellery Photo Gifts Novelty Rude Romantic Soft Toys Under £30 Flowers
- Brand
  Cath Kidston Cadburys Cartwright & Butler Disney Harry Potter Lindt LEGO®Kylie Minogue Wines Majestic Wines Marvel Me to You Personalised Nutella Star Wars Sassy Scents Swizzles Love Hearts Toys 'R' Us Weleda William Morris WoodWick Yankee Candle
- Seasonal
  Christmas Father's Day Mother's Day
Offers
- Offers
  Calendars
  Funky Gift Offers
- Shop All

⭐ Make it personal! Add stickers, photos & more!

Home

Cards

Birthday Cards

Sister In Law

Sister In Law Birthday Cards

210 results

Find a birthday card to make your sister-in-law smile this year. Whether she is turning 21 or 71, you'll find a range of funny, cute and personalised card ideas below. Choose to send your card direct to your sister-in-law or back to yourself to sign and deliver.

Similar Categories: Birthday Cards | Funny Birthday Cards | Cute Birthday Cards | Birthday Cards For Her | Birthday Gifts For Sister

Helpful Links

About Us

Your Account

Sign In
Register

Product Info

Let's get Social

Download the App

Shop by Region

UK IRL

© 2025 funkypigeon.com Limited, County Gates, Ashton Road, Bristol, BS3 2JH, UK | Terms & Conditions