He was previously in charge of the club between 2017 and 2019.
Earlier in the week Courtwood announced that Laois U-20 football manager Eddie Kinsella would return as their senior football manager for 2021.
He previously took charge of the east Laois side between 2017 and 2019, leading them to the Intermediate title in 2018.
Courtwood retained their senior status in 2020 by defeating Arles-Kilcruise in the relegation playoff.
James Gormley Named On Irish Squad For FIBA EuroBasket Qualifiers
Portlaoise Panthers Suffer Tough Defeat In Super League
CCFL: St Peter's Extend Their Advantage At Top Of Premier Division
NFL: Relegation Firmly On The Cards For Offaly
Laois "Devastated" By Defeat Despite Delivering "Manliness" - Justin McNulty
Westmeath Ladies Bag First Win Of League Season
Big Camogie Wins for Westmeath and Laois Over The Weekend
Fitzgerald "Relieved" After Squeaking Past Kerry
NHL: Galway Prove Too Strong For Offaly
Former Laois And Offaly GAA Manager Honoured By An Garda Síochána
Athlone Town Make It Two Wins From Two In First Division
Lee Fitzpatrick Scores Try For Ireland U20s In England
NFL: Westmeath Move Closer To Promotion
Shane Lowry Finishes Strong In California
Westmeath Drifter Sets Sights On Success In 2026
Offaly’s Alex Dunne Joins Alpine’s Young Driver Programme
NHL: Laois And Kerry Clash In Division Two
Shane Lowry Cards Opening Round 73 At Genesis Invitational
Athlone Town Aiming For Back To Back League Wins