Naomi Osaka has been named the newest brand ambassador for Louis Vuitton as of January 2021, featuring prominently in the brand's Spring-Summer 2021 campaign which was photographed by Nicolas Ghesquière.

Naomi Osaka collaborated with Levi's to design a collection released on July 18, 2022. This collection blends sporty and feminine elements, featuring pieces like the Zip Up Trucker jacket and Mermaid skirt.

Naomi Osaka and Strathberry are unveiling a limited-edition collection that includes five bag styles and two wallets. This collection features Strathberry's signature metal bar hardware and a leather-wrapped handle inspired by tennis racket grips, and it supports Osaka's Play Academy initiative.