The 2023 NBL1 West season was the third season of the NBL1 West and 34th overall in State Basketball League (SBL) / NBL1 West history. The regular season began on Friday 31 March and ended on Saturday 22 July. The finals began on Friday 28 July and concluded with the women's grand final on Friday 11 August and the men's grand final on Saturday 12 August.

Rockingham Flames is an NBL1 West club based in Perth, Western Australia. The club fields a team in both the Men's and Women's NBL1 West. The club is a division of the Rockingham Basketball and Recreation Association (RBRA), the major administrative basketball organisation in the region. The Flames play their home games at Mike Barnett Sports Complex.