The 2018–19 WNBL season is the 39th season of the competition since its establishment in 1981.[1] The Townsville Fire were the defending champions, however they failed to qualify for the finals. Canberra Capitals won their record eighth championship, defeating Adelaide in the grand final series, 2–1.[2]
Chemist Warehouse was announced as the WNBL's naming rights partner for this season, after signing a three-year deal in July 2018.[3]Spalding again provided equipment including the official game ball, alongside iAthletic supplying team apparel for a second year.