The 2019 State Basketball League season was the 31st season of the State Basketball League (SBL). The regular season began on Friday 15 March and ended on Sunday 28 July. The finals began on Friday 2 August and concluded with the women's grand final on Friday 30 August and the men's grand final on Saturday 31 August.
The 2019 SBL Pre-Season Blitz was held at Warwick Stadium over Saturday 2 March and Sunday 3 March.
The regular season began on Friday 15 March and ended on Sunday 28 July after 20 rounds of competition. Easter games in round 6 were again scheduled for Thursday night, with all teams then on a break over the long weekend. Games tipped-off again on Anzac Day as the tradition continued between the Kalamunda Eastern Suns and Willetton Tigers. There was also Women's Round in round 9 and Heritage Round in round 16, while the new concept of Mental Health Awareness Round was included for round 19.
Changes for the 2019 season saw the Stirling Senators rebrand as the Warwick Senators, while the East Perth Eagles relocated from Morley Sport & Recreation Centre to Herb Graham Recreation Centre.
Men's ladder
Women's ladder
The finals began on Friday 2 August and consisted of three rounds. The finals concluded with the women's grand final on Friday 30 August and the men's grand final on Saturday 31 August.
The 2019 SBL All-Star games took place at Bendat Basketball Centre on Monday 3 June, with all proceeds going to Red Frogs Australia.
The 2019 Basketball WA Annual Awards Night was held on Saturday 7 September at Crown Perth.