Birthday Cards
- I'm looking for
  Birthday Cards for Her
  Birthday Cards for Him
  Birthday Cards for Kids
  Birthday Age Cards
  Birthday Funky Face Cards
  Giant Cards
  Premium Square Birthday 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
  Bestselling Create Your Own Cute Funky Face Cards Funny Giant Multi Photo Upload New In Birthday October Birthday Photo Upload Premium Square Cards Rude Traditional Trending
- Brands
  Barley Bear Bluey Boofle Cath Kidston Disney Harry Potter Hello Kitty Lilo & Stitch Me to You Minecraft Peppa Pig Paw Patrol Pokemon Swizzels Love Heart Wallace & Gromit
Cards
- I'm looking for
  Funky Face Cards
  Photo Upload Cards
  Anniversary Cards
  Anniversary Cards
  Wedding Cards
  Premium Square Cards
  Halloween Cards
- Shop All
- Occasions
  Anniversary Announcement Adoption Baby Shower Birthday Christening & Baptism Congratulations Engagement Get Well Soon Good Luck Graduation Grandparents Day Halloween 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 Funky Face Cards Funny Giant Cards Photo Photo Collage Postcards Premium Square Cards Rude Trending
- Seasonal
  Chinese New Year Christmas Diwali Easter 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
Calendars
- Ranges
  Shop All Calendars
  Shop All Calendars
  Wall Calendars
  Slim Calendars
  Desktop Calendars
  Me to You Calendars
- Shop All
Personalised Gifts
- I'm looking for
  Personalised Calendars
  Personalised Mugs
  Personalised Keyrings
  Personalised Disney
  Personalised Cushions
- Shop All
- Personalised Gifts
  Aprons Baby Grows Baubles Calendars Canvas Prints Christmas Eve Boxes Coasters Cushions GlasswareGlasswareHoodies & Sweatshirts Jewellery Keyrings Magnets
- Mugs Notebooks Personalised Prints Pens Phone CasesPhone CasesPhoto Blocks Photo Frames Posters Santa Sacks Snow Globes Socks T-Shirts Teddy Bears Tree Toppers Wall Art Wrapping Paper
- Brands
  Personalised Disney Personalised Lindt Personalised Jura Whisky
Gifts
- I'm looking for
  Birthday Gifts
  Legami
  For Kids
  Anniversary
- Shop All
- Occasions
  Birthday Anniversary Baby Shower Christening Christmas 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 €10 Under €15 Under €20 Luxury Gifts
- Popular
  For HerFor HerFor HimFor HimFor Kids Engraved Gifts Experience Gifts Funky Gift Offers Gift Cards Photo Gifts New In Gifts Soft Toys
- Brand
  Disney Legami Me to You NIVEA Swizzels Love Hearts
- Seasonal
Christmas
- I'm looking for
  Across the Miles Cards
  Calendars
  Photo Upload Cards
  Baubles
  Funny Cards
  Personalised Gifts
- Christmas Cards
  For Her For Him For Kids For Friends For Couples From Families Mum Dad Wife Husband Girlfriend Boyfriend Daughter Son Shop All
- Popular Christmas Cards
  1st Christmas Across the Miles Barley Bear Bestselling Bluey Boofle Bulk Buy Corporate Cute Disney Funny Harry Potter Letters from Santa Me to You Multi Photo Peppa Pig Photo Upload Premium Square Cards Rude Stand up to Cancer Traditional TV & Film Wallace & Gromit
- Christmas Gifts
  For Her For Him For Kids Advent Calendars Beauty & Wellness Baubles Calendars Christmas Eve Boxes Festive Touches Food & Drink Flowers Gift Cards Gift Sets & Hampers Santa Sacks Secret Santa Snow Globes Stocking Fillers Personalised Gifts Toys & Games Tree Toppers Wrapping Paper Shop All
- Gift Brands
  Cath Kidston Cartwright & Butler Disney Kyle Minogue Wines LEGO®Lindt Majestic Wines Me to You Nivea Personalised Jura Whiskey Swizzles Love Hearts Weleda William Morris Woodwick Yankee Candle
- Shop All
Offers
- Offers
  50% Off Calendars
- Shop All

Home

Cards

Birthday Cards

21st Birthday

Nephew

21st Birthday Cards for Nephew

15 results

Wish your nephew a brilliant 21st birthday with a card that’s cool, funny or full of warmth. From classic to quirky, you’ll find a design to suit his personality and mark this major milestone. Make it personal with his name or a photo for a one-of-a-kind birthday card.

Similar Categories: Birthday Cards for Him | Family Birthday Cards | Birthday Age Cards | 21st Birthday Gifts

Helpful Links

About Us

Your Account

Product Info

Let's get Social

TikTok

instagram

youtube

blog

Download the App

Shop by Region

© 2025 funkypigeon.com Limited, County Gates, Ashton Road, Bristol, BS3 2JH, UK
Registered Office: Century House, Wakefield 41 Industrial Estate, Wakefield WF2 0XG, UK Terms & Conditions