Baby Boys' Clothing
Wrap your little one in comfort and style with our adorable collection of baby boy clothes at Marks & Spencer. Discover newborn essentials, charming sleepsuits and clothing sets that offer effortless coordination for any occasion. From cozy pajamas to cute ensembles, shop our range of baby boy clothes online for quality and convenience.
Read More Read Less
3pk Cotton Rich Slogan Bibs (0-3 Mths)
2pk Cotton Rich Waffle Leggings (6½lbs-3 Yrs)
2pk Pure Cotton Waffle Bodysuits (6½lbs-3 Yrs)
Kids' Cable Knit Double Pom Winter Hat (0-3 Yrs)
2pc Cotton Rich Born in 2025 Outfit (0-6 Mths)
3pk Cotton Rich Tropical Print Bodysuits (0-3 Yrs)
Cotton Blend Fleece Lined Sweatshirt (0-3 Yrs)
Cotton Blend Fleece Lined Joggers (0-3 Yrs)
Pure Cotton Elasticated Waist Trousers (0-3 Yrs)
2pc Peter Rabbit™ Sleepsuit and Hat (7lbs-1 Yrs)
4pc Pure Cotton Born in 2025 Starter Set (0-12 Mths)
2pc Cotton Rich Christmas Pudding Outfit
2pc Cotton Rich Lion King™ Bodysuit Outfit (7lbs-1 Yrs)
2pk Cotton Rich Christmas Dribble Bibs
Pure Cotton Double Cloth Trousers (0-6 Yrs)
2pc Cotton Rich Grow with Me Outfit (0-3 Yrs)
2pk Pure Cotton Frill Long Sleeve Bodysuits (0-3 Yrs)
Cotton Rich Little Acorn Print Sweatshirt (0-3 Yrs)
Baby Riptape Pram Shoes (0-18 Months)
2pk Pure Cotton Long Sleeve Polo Bodysuits (0-3Yrs)
Cotton Rich Striped Rugby Sweatshirt (0-6 Yrs)
2pk Cotton Rich Ribbed Cross Over Bodysuits (0-3 Yrs)
5pc Cotton Rich Striped Starter Set (0-9 Mths)
5pk Pure Cotton Strappy Bodysuits (6½lbs-3 Yrs)
3pk Cotton Rich Rompers (7lbs-12 Mths)
2pc Pure Cotton Whale Print Romper Set (7lbs-12 Mths)
3pk Pure Cotton London Sleepsuits (6½lbs-3 Yrs)
Pure Cotton Novelty Reindeer Sleepsuit (0-12 Mths)
2pc Acorn Bodysuit Crawler Outfit (0-12 Mths)
2pc Cotton Rich T-Shirt & Shorts Outfit (0-6 Yrs)
2pc Patterned Hat and Mitten Set (0-3 Yrs)
3pk Pure Cotton Dinosaur Long Sleeve T-Shirts (0-3 Yrs)
3pk Pure Cotton Grandad Tops (0-6 Yrs)
3pk Pure Cotton Striped & Plain Tops (0-6 Yrs)
3pk Pure Cotton Striped & Plain Leggings (0-6 Yrs)
Cotton Blend Plain Trousers (0-6 Yrs)
3pk Pure Cotton Striped Tops (0-3 Yrs)
Baby Bow Turban Hat and Mitten Set (0-3 Yrs)
Fleece Lined Zip Up Hoodie (0-3 Yrs)
2pc Cotton Rich Broderie Dress Outfit (7lbs-1 Yrs)
3pk Cotton Rich Heart Long Sleeved Bodysuits (0 Mths-3 Yrs)
3pk Pure Cotton Car Long Sleeve Bodysuits (0-3 Yrs)
3pk Cotton Rich Checkerboard Bodysuits (6½lbs-3 Yrs)
3pk Pure Cotton Floral Long Sleeve Bodysuits (0-3 Yrs)
Cotton Rich Velour Sleepsuit (0-12 Mths)
Spencer Bear™ Family Christmas All in One (0 -3 Yrs)
Cotton Rich Novelty Holly Print Hooded All in One (0 Mths-3 Yrs)
3pk Pure Cotton Balloon & Cloud Sleepsuits (0-3 Yrs)
Cotton Rich Velour Sleepsuit (0 Mths-3 Yrs)
7pk Pure Cotton Short Sleeve Bodysuits (5lbs-3 Yrs)
7pk Pure Cotton Sleeveless Bodysuits (5lbs-3 Yrs)
2pc Cotton Rich Colour Block Sweat Outfit (0-8 Yrs)
2pc Cotton Rich Top & Bottom Outfit (0-3 Yrs)
2pc Cotton Rich Colour Block Hooded Sweat Outfit (0-6 Yrs)
2pc Cotton Rich Top & Leggings Outfit (0-3 Yrs)
3pk Cotton Rich Elasticated Waist Joggers (0-3 Yrs)
2pc Cotton Rich Dino Top & Bottom Outfit (0-6 Yrs)
7pk Pure Cotton Long Sleeve Bodysuits (5lbs-3 Yrs)
2pk Pure Cotton Long Sleeve Polo Tops (0-3 Yrs)
2pc Cotton Rich Top & Bottom Outfit (0-3 Yrs)
Cotton Blend Robin Knitted Jumper (0 Mths-3 Yrs)
Cotton Rich Polar Bear Knitted Jumper (0 Mths-6 Yrs)
Cotton Rich Neppy Sweat Outfit (0 Mths-6 Yrs)
5pk Pure Cotton Long Sleeve Bodysuits (0-3 Yrs)
7pk Pure Cotton Floral Bodysuits (5lbs-3 Yrs)
7pk Pure Cotton Floral Bodysuits (0-3 Yrs)
7pk Pure Cotton Dog Print Bodysuits (5lbs-3 Yrs)
7pk Pure Cotton Patterned Bodysuits (5lbs-3 Yrs)
7pk Pure Cotton Turtle Bodysuits (5lbs- 3 yrs)
2pc Pure Cotton The Lion King™ Outfit (0-3 Yrs)
3pk Pure Cotton Sleepsuits (5lbs-3 Yrs)
2pc Pure Cotton Striped Dungarees Outfit (0-3 Yrs)
Borg Pocket Hooded Jacket (0-3 Yrs)
3pk Pure Cotton Turtle Sleepsuits (0-3 Yrs)
2pc Jersey Dungarees with Striped Tee (0-3 Yrs)
Cotton Linen Disney Lion King™ Bibshort
2pc Cotton Rich Dungaree Outfit (0-3 Yrs)
3pk Pure Cotton Dog Popper Footed Sleepsuits (0-3 Yrs)
Knitted Hooded Top & Jogger Outfit (0 Mths-3 Yrs)
2pc Cotton Rich Jersey Dino Dungaree Outfit (0-3 Yrs)
5pk Pure Cotton Sleepsuits (5lbs-3 Yrs)
3pc Cotton Rich Christmas Elf Outfit (0-3 Yrs)
4pc Cotton Rich Starter Set (0-9 Mths)
Cotton Blend Bear Cosy Rib Sleepsuits (0-3 Yrs)
10pk Pure Cotton Short Sleeve Bodysuits (6½lbs-3 Yrs)
2pc Knitted Hedgehog Outfit (0-12 Mths)
3pk Cotton Rich Ribbed Sleepsuits (6½lbs-3 Yrs)
2pc Fairisle Crawlers Outfit (0-12 Mths)
2pc Cotton Rich Sprig Dungaree Outfit (0-12 Mths)
2pk Floral Frill Collar Zip Sleepsuits (0-3 Yrs)
Dinosaur Print Hooded Padded Coat (0-3 Yrs)
2pc Knitted Textured Outfit (0-3 Yrs)
2pc Cotton Rich Skating Dog Print Sweatshirt Trousers Outfit (0 Mths-6 Yrs)
Pure Cotton Cord Shacket (0-3 Yrs)
2pc Pure Cotton The Lion King™ Romper Outfit (0-3 Yrs)
2pc Pure Cotton Denim Dungaree Outfit (0-3 Yrs)
Denim Acorn Badge Borg Lined Jacket (0 Mths-3 Yrs)
2pc Cotton Rich Dinosaur Sweatshirt Jeans Outfit (0 Mths-3 Yrs)
2pc Christmas Reindeer Knitted Outfit (0-3 Yrs)
Pure Cotton Long Sleeve Polo Shirt & Trousers Outfit (0-3 Yrs)
Lightweight Hooded Padded Coat (0 Mths-3 Yrs)
2pk Cotton Rich Velour Bunny Sleepsuits (0-3 Yrs)
3pk Cotton Rich Heart Ribbed Sleepsuits (6½lbs-3 Yrs)
3pk Cotton Rich Woodland Print Sleepsuits (6½lbs-3 Yrs)
3pk Cotton Rich Ribbed Safari Sleepsuits (6½lbs-3 Yrs)
2pc Cotton Blend Cosy Snuggles Knit Outfit (0-3 Yrs)
Pure Cotton Towelling Hooded Robe (0-3 Yrs)
