The 2021 Cronulla-Sutherland Sharks season was the 55th in the club's history. The club was coached by Josh Hannay in an interim role and captained by Wade Graham. The team was initially coached by John Morris, who was relinquished of his duties following the signing of Craig Fitzgibbon as coach for the 2022 NRL season. The team competed in the National Rugby League's 2021 Telstra Premiership.

Milestones Round 1: Aaron Woods played his 50th game for the club. Round 1: Aiden Tolman made his debut for the club, after previously playing for the Canterbury-Bankstown Bulldogs. Round 2: Wade Graham played his 250th career game. Round 4: Teig Wilton scored his 1st career try. Round 6: Braden Hamlin-Uele played his 50th career game. Round 8: Will Chambers made his debut for the club, after previously playing for the Melbourne Storm. Round 9: Matt Moylan played his 50th game for the club. Round 12: Shaun Johnson played his 200th career game. Round 12: Briton Nikora played his 50th career and club game. Round 12: Franklin Pele made his NRL debut for the club. Round 15: Will Chambers scored his 1st try for the club. Round 16: Aiden Tolman scored his 1st try for the club. Round 17: Braydon Trindall scored his 1st career try. Round 19: Toby Rudolf scored his 1st career try. Round 20: Luke Metcalf made his NRL debut for the club. Round 23: Luke Metcalf scored his 1st career try.

Fixtures

Pre-season Source:

Date Round Opponent Venue Result Score Tries Goals Field Goals Report13 FebruaryTrial Match St. George Illawarra Dragons Shark Park, SydneyWin36-28Macdonald (2), Iro, Wilton, Trindall, Hiroti, MetcalfTrindall 4/5, Hiroti 0/2Team DetailsFB1Luke MetcalfWG2Nene MacdonaldCE3Mawene HirotiCE4Kayleb MilneWG5Kayal IroFE6Jack A WilliamsHB7Braydon TrindallPR8Franklin PeleHK9Kyle PatersonPR10Daniel VasquezSR11Teig WiltonSR12Josh CarrLK13Billy MagouliasInterchange:IC14Monty RaperIC15Tom HazeltonIC16Jack MartinIC17Kade DykesIC18Ryan RivettIC19Jordan SamraniIC20Addison DemetriouIC21Gabe HamlinIC22Josh FinauIC24Kyle Pickering27 FebruaryTrial Match Canterbury-Bankstown Bulldogs Netstrata Jubilee Stadium, SydneyLoss12-16Mulitalo (2)Townsend 2/2Team DetailsFB1William KennedyWG2Sione KatoaCE3Josh DuganCE4Jesse RamienWG5Ronaldo MulitaloFE6Matt MoylanHB7Chad TownsendPR8Braden Hamlin-UeleHK9Blayke BraileyPR10Aaron WoodsSR11Briton NikoraSR12Wade GrahamLK13Billy MagouliasInterchange:IC14Connor TraceyIC15Jack WilliamsIC16Teig WiltonIC17Andrew FifitaIC18Luke MetcalfIC19Mawene HirotiIC20Braydon TrindallIC21Nene MacdonaldIC22Franklin PeleIC23Kayleb MilneLegend:

Regular season

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