Skip to top navigationSkip to shopping bagSkip to main contentSkip to product filtersSkip to footer links
Open & shop with your new Encore Credit Card & get an extra 30% off* your first purchase at Old Navy APPLY NOW
Baby Onesies
244 items
2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Printed Sleeveless Henley One-Piece Romper for Baby
$19.99$12
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Printed Sleeveless Henley One-Piece Romper for Baby
$19.99$12
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Printed Sleeveless Henley One-Piece Romper for Baby
$19.99$12
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Printed Ribbed Ruffle-Trim Bodysuit and Pants Set for Baby
$24.99$7.99
68% Off
Clearance: Price as marked.
Printed Ribbed Ruffle-Trim Bodysuit and Pants Set for Baby
$24.99$8.49
66% Off
Clearance: Price as marked.
Printed Ribbed Ruffle-Trim Bodysuit and Pants Set for Baby
$24.99$7.99
68% Off
Clearance: Price as marked.
Printed Ribbed Ruffle-Trim Bodysuit and Pants Set for Baby
$24.99$12.49
50% Off
Clearance: Price as marked.
Unisex Snug-Fit 2-Way-Zip Printed Pajama One-Piece for Toddler & Baby
$16.99$9
47% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Unisex Snug-Fit 2-Way-Zip Printed Pajama One-Piece for Toddler & Baby
$16.99$9
47% Off
Card Perk! 50% Off Original Price with Code: FIFTY
2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
2-Way-Zip Sleep & Play Footed One-Piece 3-Pack for Baby
$44.99$24
47% Off
Card Perk! 50% Off Original Price with Code: FIFTY
2-Way-Zip Sleep & Play Footed One-Piece 3-Pack for Baby
$44.99$24
47% Off
Card Perk! 50% Off Original Price with Code: FIFTY
2-Way-Zip Sleep & Play Footed One-Piece 3-Pack for Baby
$44.99$24
47% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Ribbed 2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Ribbed 2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Ribbed 2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Unisex Snug-Fit 2-Way-Zip Printed Pajama One-Piece for Toddler & Baby
$16.99$8.49
50% Off
Clearance: Price as marked.
Unisex Snug-Fit 2-Way-Zip Printed Pajama One-Piece for Toddler & Baby
$16.99$5.49
68% Off
Clearance: Price as marked.
Ribbed 2-Way-Zip Sleep & Play Footed One-Piece 3-Pack for Baby
$44.99$24
47% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Ribbed 2-Way-Zip Sleep & Play Footed One-Piece 3-Pack for Baby
$44.99$24
47% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Disney© Dumbo 2-Way-Zip Sleep & Play Footed One-Piece for Baby
$19.99$11.99
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Disney© Dumbo 2-Way-Zip Sleep & Play Footed One-Piece for Baby
$19.99$11.99
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Sleep & Play 2-Way-Zip Footed One-Piece 2-Pack for Baby
$29.99$16
47% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Sleep & Play 2-Way-Zip Footed One-Piece 2-Pack for Baby
$29.99$16
47% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Pointelle-Knit 2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Pointelle-Knit 2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Ribbed 2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Ribbed 2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Ribbed 2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Ribbed 2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Unisex 2-Way-Zip Sleep & Play Footed One-Piece 5-Pack for Baby
$74.99$40
47% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Unisex 2-Way-Zip Sleep & Play Footed One-Piece 5-Pack for Baby
$74.99$40
47% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Ribbed 2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Ribbed 2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Unisex 3-Pack Sleep & Play 2-Way-Zip Footed One-Piece for Baby
$44.99$24
47% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Unisex 3-Pack Sleep & Play 2-Way-Zip Footed One-Piece for Baby
$44.99$24
47% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Long-Sleeve Thermal-Knit Henley Bodysuit and Pants Set for Baby
$24.99$6.49
74% Off
Clearance: Price as marked.
Long-Sleeve Thermal-Knit Henley Bodysuit and Pants Set for Baby
$24.99$6.49
74% Off
Clearance: Price as marked.
Long-Sleeve Thermal-Knit Henley Bodysuit and Pants Set for Baby
$24.99$6.49
74% Off
Clearance: Price as marked.
Long-Sleeve Thermal-Knit Henley Bodysuit and Pants Set for Baby
$24.99$6.49
74% Off
Clearance: Price as marked.
Long-Sleeve Thermal-Knit Henley Bodysuit and Pants Set for Baby
$24.99$12.49
50% Off
Clearance: Price as marked.
Short-Sleeve Ribbed Pocket One-Piece Romper 2-Pack for Baby
$34.99$20
43% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Short-Sleeve Ribbed Pocket One-Piece Romper 2-Pack for Baby
$34.99$20
43% Off
Card Perk! 50% Off Original Price with Code: FIFTY
2-Way-Zip Sleep & Play Footed One-Piece for Baby
$12.99$1.47
89% Off
Clearance: Final sale. No returns or exchanges.
2-Way-Zip Sleep & Play Footed One-Piece for Baby
$12.99$2.99
77% Off
Clearance: Final sale. No returns or exchanges.
Old Navy x Disney© Short-Sleeve Logo-Graphic Bodysuit for Baby
$12.99
Card Perk! 50% Off Original Price with Code: FIFTY
Old Navy x Disney© Mickey Mouse Graphic Bodysuit for Baby
$14.99
Card Perk! 50% Off Original Price with Code: FIFTY
Disney© Short-Sleeve Graphic Bodysuit for Baby
$14.99
Card Perk! 50% Off Original Price with Code: FIFTY
Long-Sleeve Critter Velvet One-Piece Romper for Baby
$32.99$4.97
85% Off
Clearance: Final sale. No returns or exchanges.
Los Angeles Dodgers Unisex Bodysuit for Baby
$16.99
Card Perk! 50% Off Original Price with Code: FIFTY
San Francisco Giants Unisex Bodysuit for Baby
$16.99
Card Perk! 50% Off Original Price with Code: FIFTY
Philadelphia Phillies Unisex Bodysuit for Baby
$16.99
Card Perk! 50% Off Original Price with Code: FIFTY
Star Wars™ Hooded Grogu Fleece One-Piece Romper for Baby
$39.99
Card Perk! 50% Off Original Price with Code: FIFTY
FIFA World Cup 26™ Canada Graphic Bodysuit for Baby
$17.99
Card Perk! 50% Off Original Price with Code: FIFTY
Star Wars™ Grogu Sleeveless Sweater-Knit One-Piece Romper for Baby
$39.99
Card Perk! 50% Off Original Price with Code: FIFTY
FIFA World Cup 26™ Brazil Graphic Bodysuit for Baby
$17.99
Card Perk! 50% Off Original Price with Code: FIFTY
FIFA World Cup 26™ England Graphic Bodysuit for Baby
$17.99
Card Perk! 50% Off Original Price with Code: FIFTY
Star Wars™ Grogu Bodysuit, Leggings & Beanie 3-Piece for Baby
$29.99
Card Perk! 50% Off Original Price with Code: FIFTY
FIFA World Cup 26™ Argentina Graphic Bodysuit for Baby
$17.99
Card Perk! 50% Off Original Price with Code: FIFTY
Short-Sleeve Sweater-Knit One-Piece Romper for Baby
$34.99$18
49% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Old Navy x Disney Winnie the Pooh Long-Sleeve Bodysuit for Baby
$14.99$4.49
70% Off
Clearance: Price as marked.
Old Navy x Lovevery Snug-Fit 2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99
Card Perk! 50% Off Original Price with Code: FIFTY
2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Unisex Caterpillar Print Sleep & Play 2-Way Zip Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Ribbed 2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Ribbed 2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Ruffle-Trim 2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Ruffle-Trim 2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
2-Way-Zip Sleep & Play Footed One-Piece 3-Pack for Baby
$44.99$24
47% Off
Card Perk! 50% Off Original Price with Code: FIFTY
2-Way-Zip Sleep & Play Footed One-Piece 3-Pack for Baby
$44.99$24
47% Off
Card Perk! 50% Off Original Price with Code: FIFTY
2-Way-Zip Sleep & Play Footed One-Piece 3-Pack for Baby
$44.99$24
47% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Snug-Fit 2-Way-Zip Pajama One-Piece 3-Pack for Toddler & Baby
$49.99$14.99
70% Off
Clearance: Price as marked.
Ribbed 2-Way-Zip Sleep & Play Footed One-Piece for Baby
$14.99$9
40% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Snug-Fit 2-Way-Zip Pajama One-Piece 3-Pack for Toddler & Baby
$49.99$24.99
50% Off
Toddler & Baby Sale!
Unisex 2-Way-Zip Sleep & Play Footed One-Piece 3-Pack for Baby
$44.99$24
47% Off
Card Perk! 50% Off Original Price with Code: FIFTY
Snug-Fit 2-Way-Zip Pajama One-Piece 3-Pack for Toddler & Baby
$49.99$24.99
50% Off
Toddler & Baby Sale!
Snug-Fit 2-Way-Zip Pajama One-Piece 3-Pack for Toddler & Baby
$49.99$24.99
50% Off
Toddler & Baby Sale!
200 of 244 items
BABY ONESIES
Discover the ultimate in comfort and convenience with our collection of baby onesies. Designed for easy dressing and diaper changes, these essential garments are crafted from soft, breathable fabrics that keep your little one cozy all day long. With a variety of styles and colors, baby onesies are perfect for layering or wearing on their own, making them a versatile addition to any baby's wardrobe.
Our baby onesies feature thoughtful design elements such as snap closures and envelope necklines, ensuring quick and hassle-free dressing. The stretchy materials allow for easy movement, accommodating your baby's natural curiosity and playfulness. Whether you're looking for short-sleeve options for warmer days or long-sleeve styles for cooler weather, you'll find the perfect fit to keep your baby comfortable and stylish.
Available in a range of adorable prints and patterns, baby onesies can easily reflect your little one's personality. From playful graphics to classic designs, these outfits are not only practical but also fun to wear. Mix and match with pants, skirts, or accessories to create cute and coordinated looks for any occasion, whether it's a family gathering or a day at home.
Choosing the right baby onesies means prioritizing quality and ease of care. Our collection is designed to withstand frequent washing while maintaining their softness and shape, ensuring they remain a staple in your baby's wardrobe. Explore our selection today and find the perfect onesies that combine comfort, style, and practicality for your little one.