2020–21 Central Coast Mariners FC season

The 2020–21 Central Coast Mariners FC season is the club's 16th season since its establishment in 2004. The club will participate in the A-League for the 16th time. The club will not compete in the 2020 FFA Cup due to the event being cancelled following the COVID-19 pandemic in Australia.

Matches
The 2020–21 A-League fixtures were announced on 24 November 2020.

Appearances and goals
Players with no appearances not included in the list.

Awards

 * Young Player of the Year nominee (February): Alou Kuol
 * A-League Goalkeeper of the Year: Mark Birighitti
 * PFA A-League Team of the Season: Mark Birighitti, Oliver Bozanic, Matt Simon, Ruon Tongyik