Ten teams contested the league: Alloa Athletic, Arbroath, Ayr United, Dundee, Dundee United, Dunfermline Athletic, Greenock Morton, Inverness Caledonian Thistle, Partick Thistle and Queen of the South.

[3] On 13 March 2020 all SPFL leagues were indefinitely suspended due to the COVID-19 pandemic in Scotland.

[4] On 8 April 2020, the SPFL proposed to end the 2019–20 season by utilising a points per game ratio to determine the final standings.

(which had been relegated from the Scottish Premiership under similar circumstances) in suing the Scottish Professional Football League on the grounds that their relegation was unfair; Partick was two points behind the second-to-last-place team but had played one less game.

[9] From Championship Ross County secured promotion to the Premiership on 26 April 2019.