Furthermore, the Chengdu Hunters disbanded. The Los Angeles Valiant returned to the West Region after competing in China, while the Dallas Fuel moved from the West to the East Region. The Philadelphia Fusion shifted its base to Seoul and rebranded as the Seoul Infernal. The Paris Eternal relocated to Las Vegas and rebranded as the Vegas Eternal, becoming the league's first team to switch cities. Several teams changed branding and regions for the 2023 season. The playoffs were scheduled to take place at the Mattamy Athletic Centre in Toronto, Canada. The Summer stage concluded with play-ins, season playoffs, and the Grand Finals.

The Spring stage, which began on April 27, concluded with the Midseason Madness, an interregional midseason tournament hosted in Seoul, South Korea. The regular season was divided into two stages: Spring and Summer. In the East Region, Overwatch Contenders teams joined the regular season alongside the established Overwatch League teams. The season commenced with a preseason pro-am tournament held in the West Region, where Overwatch Contenders teams competed against Overwatch League teams. The teams were split between two regions: the East and the West. The 2023 Overwatch League season was the sixth season of the Overwatch League (OWL), a professional esports league for the video game Overwatch 2.