| Mimmo | | Sells a range of specialty clothing in sizes newborn to 12 years. |
| Mischiefkids | | Offering fashions and footwear for newborns to teens. |
| Moppit | | Street wear designs for babies through size 6. Includes distressed jeans, t-shirts and vintage style mini skirts. Located in Australia. |
| MoutonBlanc | | Quebec webstore offering apparel and accessories in sizes infant to 6 year. |
| Murik | | Designer and everyday clothing, shoes, and accessories from Northern Europe for children ages 0-10. |
| My First Mascot, Inc | | Collegiate wear for infants, toddlers and youth. Classic styles in gingham, twill, pique and denim. |
| My Kid's Clothes | | Carries apparel for infants, girls up to size 10, boys up to size 7 and accessories. |
| My Sister's Store | | Camouflage clothing, hats and shoes for infants,children and youths. |
| Nack Boutique | | Offers apparel, accessories and gifts from newborn to size 16 as well as infant bedding. |
| Nana's Darlings | | Classic apparel featuring English smocking and hand embroidery. |
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