Enda Lyons had been in charge for two seasons.
Laois U-20 Hurling manager Enda Lyons is stepping down from his role due to personal and work commitments.
The Ballyfin man had been at the helm for two seasons, having previously managed the minor side in 2018 and 2019.
2020 saw Laois defeat Carlow by three points in the Leinster Championship before being beaten by Galway at the quarter-final stage.
He was only ratified for the upcoming season in February.
Laois GAA have announced his replacement, selector with the team Ollie Hally is making the step up with his backroom team expected to be finalised in the coming days.
Statement from Laois GAA in full: