England forward Farrell has spent his entire career at the Brick Community Stadium apart from a brief loan spell at Widnes as a youngster.
He has won 17 trophies in his time with the Warriors – six Super Leagues, five League Leaders’ Shields, four Challenge Cups and two World Club Challenges.
Farrell replaced Thomas Leuluai as captain ahead of the 2023 season, and he has been at the forefront of Wigan’s success over the last 18 months under Matt Peet.
The Warriors have collected the last six trophies up for grabs, including all four in 2024, as they have become the dominant force in Super League once again, while Peet is delighted to tie down his captain on a longer contract.
“Liam’s contract extension is fantastic news for Wigan Warriors,” said Peet.
“He carries all the qualities a team needs from a captain — loyalty, hard work, and leadership.
Liam’s commitment is a huge boost for us all at Wigan Warriors, and I’m excited to see him drive us forward in the years to come.”