Original Umbro football shirt West Ham United 2022/23

The 2022–23 season was the 128th season in the existence of West Ham United and the club's 11th consecutive season in the top-flight of English football. In addition to the domestic league, they also participated in this season's editions of the FA Cup, the EFL Cup, and the UEFA Europa Conference League.

The season was the first since 2003–04 without Mark Noble, who retired following the 2021–22 campaign. Vice-captain Declan Rice replaced Noble as club captain. Noble returned to West Ham as sporting director on 2 January 2023.

On 18 May 2023, West Ham became the first English team to advance to the Conference League final, where they defeated Italian club Fiorentina 2–1 on 7 June. The club won the trophy without any loss. It was West Ham's first trophy since 1980, and their first European title since 1965.