The 2021 National Rugby League finals series was a tournament staged to determine the winner of the 2021 Telstra Premiership season.

Due to the effects of the COVID-19 pandemic in New South Wales the grand final was played outside of Sydney for the first time in competition history, at Brisbane's Suncorp Stadium.

The bottom four of the eight play knock-out games – only the winners survive and move on to the next week.

The First Qualifying Final saw the 1st placed Melbourne Storm against the 4th placed Manly Warringah Sea Eagles.

This was the third finals meeting between the clubs and the first since the 2000 Semi-Final.Ashley Klein (Referee) Phil Henderson (Touch Judge) Jon Stone (Touch Judge) Grant Atkins (Bunker) The Second Preliminary Final saw the winner of the Second Qualifying Final, the South Sydney Rabbitohs against the winner of the First Semi-Final, the Manly Warringah Sea Eagles.

Ashley Klein (Referee) Phil Henderson (Touch Judge) Jon Stone (Touch Judge) Grant Atkins (Bunker) The First Preliminary Final saw the winner of the First Qualifying Final, the Melbourne Storm against the winner of the Second Semi-Final, the Penrith Panthers.