Skip to top navigationSkip to shopping bagSkip to main contentSkip to quick filtersSkip to product filtersSkip to footer links
Open and use a Navyist Rewards Credit Card & get an extra 30% off* your first purchase. Apply Now.Open and use a Navyist Rewards Credit Card & get an extra 30% off* your first purchase. Apply Now.
on logo lighton logo dark

One Piece Swimsuits

51 items
Size Variant
to
51 items
One-Piece Swimsuit
One-Piece Swimsuit
$29.99
$10.97 - $14.99
Underwire One-Piece Swimsuit
Underwire One-Piece Swimsuit
$49.99
$15.47 - $24.99
Half Zip One-Piece Swimsuit
Half Zip One-Piece Swimsuit
$49.99
$17.97 - $18.97
Side Cutout One-Piece Swimsuit
Side Cutout One-Piece Swimsuit
$54.99
$16.97 - $23.97
Crochet One-Piece Swimsuit
Crochet One-Piece Swimsuit
$54.99
$16.97 - $18.47
Tie-Back One-Piece Swimsuit
Tie-Back One-Piece Swimsuit
$44.99
$13.97 - $21.99
One-Shoulder Cutout Swimsuit
One-Shoulder Cutout Swimsuit
$54.99
$14.97 - $16.97

ONE PIECE SWIMSUIT

Discover the perfect one piece swimsuit for your next beach getaway or poolside lounging at Old Navy. Our collection of one piece swimsuits for women offers a variety of styles and designs to suit every body type and personal preference. Whether you're looking for a classic and timeless silhouette or a trendy and fashion-forward design, we have you covered.

Our one piece swimsuits feature a range of shared product features that ensure both style and comfort. From adjustable tie-backs and twist-back cutouts to V-necklines and ruffle trims, our swimsuits are designed to flatter and enhance your natural curves. Many of our one piece swimsuits also offer additional support with features like underwire and convertible bandeau styles.