2019–20 National Basketball League (England) season

Solent Kestrels were league champions for the second consecutive year.

Following the 2018–19 season, the league structure was reorganised.

Division 2 was regionalised into North and South regions, while Divisions 3 and 4 were merged to form 5 regional leagues.

[1] In March 2020, the season was cancelled due to the COVID-19 pandemic.

[2] The league season finished immediately and there were no end-of-season playoffs.