Before 1920, Grimsby Town’s team was selected by committees comprising club officials, directors and senior players. Haydn Price became the club’s first formally appointed team manager in June 1920.
| Manager | From | To | Status |
|---|---|---|---|
| Haydn Price | 30 Jun 1920 | 22 Nov 1920 | Manager |
| Selection Committee | 22 Nov 1920 | 23 Mar 1921 | Interim team selection |
| George Fraser | 23 Mar 1921 | 31 Mar 1924 | Manager |
| Wilf Gillow | 30 Jun 1924 | 15 May 1932 | Manager |
| Frank Womack | 23 May 1932 | 15 Oct 1936 | Manager |
| George Pearce | 15 Oct 1936 | 22 Mar 1937 | Caretaker |
| Charlie Spencer | 22 Mar 1937 | May 1951 | Manager |
| George Tweedy | Jul 1950 | 20 Jan 1951 | Caretaker during Spencer’s illness |
| Frank Womack | 20 Jan 1951 | 7 May 1951 | Caretaker |
| Bill Shankly | 6 Jun 1951 | 31 Dec 1953 | Manager* |
| Selection Committee | 10 Jan 1954 | 19 Feb 1954 | Interim team selection |
| Billy Walsh | 19 Feb 1954 | 1 Mar 1955 | Manager |
| Selection Committee | 1 Mar 1955 | 16 Mar 1955 | Interim team selection |
| Allenby Chilton | 16 Mar 1955 | 22 Apr 1959 | Player-manager |
| Bill Lambton | 22 Apr 1959 | 4 Feb 1960 | Caretaker |
| Tim Ward | Feb 1960 | 22 Jun 1962 | Manager |
| Tom Johnston | Jul 1962 | 26 Oct 1964 | Manager |
| George Higgins | 26 Oct 1964 | 23 Nov 1964 | Caretaker |
| Jimmy McGuigan | 24 Nov 1964 | 1 Jul 1967 | Manager |
| Don McEvoy | 19 Jul 1967 | 13 Jan 1968 | Manager |
| Bill Harvey | 17 Jan 1968 | 19 Jan 1969 | Manager |
| George Higgins | 19 Jan 1969 | 3 Mar 1969 | Caretaker |
| Bobby Kennedy | 4 Mar 1969 | 5 May 1971 | Manager |
| Lawrie McMenemy | 24 May 1971 | 21 Jun 1973 | Manager |
| Ron Ashman | 23 Jun 1973 | 3 Feb 1975 | Manager |
| John Fraser | 3 Feb 1975 | 28 Feb 1975 | Caretaker |
| Tom Casey | 28 Feb 1975 | 8 Nov 1976 | Manager |
| Dick Conner | 8 Nov 1976 | 20 Dec 1976 | Caretaker |
| John Newman | 21 Dec 1976 | 11 Jul 1979 | Manager |
| George Kerr | 11 Jul 1979 | 10 Jan 1982 | Caretaker, then manager |
| Dave Booth | 11 Jan 1982 | 20 Oct 1985 | Caretaker, then manager |
| Peter Grotier | 21 Oct 1985 | 11 Nov 1985 | Player-caretaker |
| Mick Lyons | 12 Nov 1985 | 30 Jun 1987 | Manager |
| Bobby Roberts | 1 Jul 1987 | 9 May 1988 | Manager |
| Alan Buckley | 6 Jun 1988 | 20 Oct 1994 | Manager |
| John Cockerill | 20 Oct 1994 | 28 Nov 1994 | Caretaker |
| Brian Laws | 29 Nov 1994 | 1 Nov 1996 | Player-manager |
| John Cockerill | 1 Nov 1996 | 14 Nov 1996 | Caretaker |
| Kenny Swain | 15 Nov 1996 | 21 May 1997 | Caretaker, then manager |
| Alan Buckley | 21 May 1997 | 21 Aug 2000 | Manager |
| John Cockerill | 21 Aug 2000 | 28 Aug 2000 | Caretaker |
| Lennie Lawrence | 28 Aug 2000 | 28 Dec 2001 | Manager |
| Paul Groves | 28 Dec 2001 | 9 Feb 2004 | Player-manager |
| Graham Rodger | 9 Feb 2004 | 3 Mar 2004 | Caretaker |
| Nicky Law | 4 Mar 2004 | 10 May 2004 | Manager |
| Russell Slade | 28 May 2004 | 31 May 2006 | Manager |
| Graham Rodger | 5 Jun 2006 | 6 Nov 2006 | Manager |
| Stuart Watkiss | 6 Nov 2006 | 9 Nov 2006 | Caretaker |
| Alan Buckley | 9 Nov 2006 | 15 Sep 2008 | Manager** |
| Stuart Watkiss | 15 Sep 2008 | 7 Oct 2008 | Caretaker |
| Mike Newell | 6 Oct 2008 | 18 Oct 2009 | Manager** |
| Neil Woods | 19 Oct 2009 | 23 Feb 2011 | Caretaker, then manager |
| Dave Moore & Robbie Stockdale | 23 Feb 2011 | 22 Mar 2011 | Caretaker management team |
| Rob Scott & Paul Hurst | 23 Mar 2011 | 6 Sep 2013 | Joint managers |
| Paul Hurst | 6 Sep 2013 | 24 Oct 2016 | Manager |
| Dave Moore & Stuart Watkiss | 24 Oct 2016 | 7 Nov 2016 | Caretaker management team |
| Marcus Bignot | 7 Nov 2016 | 10 Apr 2017 | Manager |
| Russell Slade | 12 Apr 2017 | 11 Feb 2018 | Manager |
| Paul Wilkinson | 11 Feb 2018 | 4 Mar 2018 | Caretaker |
| Michael Jolley | 2 Mar 2018 | 15 Nov 2019 | Manager** |
| Anthony Limbrick | 15 Nov 2019 | 1 Jan 2020 | Caretaker |
| Ian Holloway | 31 Dec 2019 | 23 Dec 2020 | Manager** |
| Ben Davies | 23 Dec 2020 | 30 Dec 2020 | Caretaker |
| Paul Hurst | 30 Dec 2020 | 28 Oct 2023 | Manager |
| Ben Davies & Shaun Pearson | 29 Oct 2023 | 27 Nov 2023 | Interim co-head coaches |
| David Artell | 27 Nov 2023 | Present | Head coach |
Notes
* Bill Shankly resigned on 31 December 1953 but agreed to continue until a replacement was found; his final match in charge was the 5–5 FA Cup draw with Fulham on 9 January 1954.
** There are a few brief overlaps between appointment dates and caretaker periods because the incoming manager had been appointed but left the caretaker in charge for the next match. GTFC Heritage explicitly documents this for Buckley in 2006, Newell in 2008, Jolley in 2018 and Holloway in 2019/20.