| Year: | 2013 |
| League: | NRL |
| League Rank: | 5th |
| Cup: | Challenge Cup |
| League Wins: | 14 |
| League Losses: | 10 |
| Points For: | 468 |
| Points Against: | 460 |
| Ceo Title: | CEO |
| Ceo: | Steve Noyce |
| Coach: | Shane Flanagan |
| Assistant Coach: | Peter Sharp |
| Captain: | Paul Gallen |
| Captain2: | Wade Graham |
| Stadium: | Remondis Stadium |
| Avg Attendance: | 13,442 |
| Top Tries: | Andrew Fifita (9) |
| Top Goals: | Todd Carney (45) |
| Top Points: | Michael Gordon (112) |
| Prev Season: | 2012 |
| Next Season: | 2014 |
The 2013 Cronulla-Sutherland Sharks season is the 47th in the club's history. Coached by Shane Flanagan and captained by Paul Gallen, they competed in the NRL's 2013 Telstra Premiership. The Sharks finished the regular season 5th (out of 16), thus reaching the finals for a second consecutive season. They were then knocked out of contention in the second week of the finals by eventual grand finalists the Manly-Warringah Sea Eagles.
This year Damian Keogh became chairman of the club's board of directors.
Tries: Matthew Wright, Andrew Fifita
Tries: Michael Gordon, Beau Ryan
Tries: John Morris, Michael Gordon, Beau Ryan, Sam Tagataese, Jeff Robson
Tries: Jeff Robson, Andrew Fifita
Tries: Michael Gordon
Tries: Nathan Stapleton (2), Stewart Mills
Tries: Luke Lewis
Tries: Jonathan Wright (2), Beau Ryan, Todd Carney Field Goal: Jeff Robson
Tries: Sosaia Feki (2), Andrew Fifita, Jeff Robson, Jayson Bukuya
Tries: Jonathan Wright, Ben Ross, Isaac De Gois, Jayson Bukuya, Andrew Fifita
Tries: John Morris, Jayson Bukuya
Tries: Beau Ryan
Tries: Jeff Robson (2), Paul Gallen, John Morris, Nathan Stapleton
Tries: Luke Lewis
Tries: Andrew Fifita (2), Wade Graham, Nathan Stapleton, Luke Lewis, Jayson Bukuya
Tries: Michael Gordon, Jayson Bukuya, Sosaia Feki Field Goal: Todd Carney
Tries: No Tries
Tries: Michael Gordon (2), Sosaia Feki (2), Todd Carney, Ben Pomeroy
Tries: Jonathan Wright, Ben Pomeroy, Nathan Stapleton
Tries: Andrew Fifita, Wade Graham
Tries: Ben Pomeroy, Isaac De Gois, Beau Ryan, Andrew Fifita
Tries: Paul Gallen, Michael Gordon, Jonathan Wright, Chris Heighington
Tries: Jayson Bukuya (2), Jeff Robson
Tries: Sosaia Feki, Luke Lewis, Jeff Robson, Tyrone Peachey, Bryce Gibbs, Beau Ryan
Tries: Beau Ryan, Ben Pomeroy, Sam Tagataese, Sosaia Feki
Tries: Michael Gordon, Andrew Fifita, Jonathan Wright