| Player | Date of Birth | Games | Subs | Goals |
| Jamie Lambert | 14/09/1973 | 10 | 6 | 2 |
| David Langan | 15/02/1957 | 134 | 2 | 3 |
| George Lawrence | 14/09/1962 | 101 | 0 | 27 |
| Brian Leach | 20/07/1932 | 77 | 0 | 11 |
| Joel Ledgister | 29/09/1987 | 9 | 4 | 0 |
| Ryan Ledson | 19/08/1997 | 70 | 10 | 4 |
| Elliot Lee | 16/12/1994 | 17 | 3 | 6 |
| Peter Leven | 27/09/1983 | 59 | 8 | 12 |
| Brian Lewis | 26/01/1943 | 12 | 2 | 4 |
| Fred Lewis | 26/07/1923 | 19 | 0 | 0 |
| Mickey Lewis | 15/02/1965 | 319 | 32 | 7 |
| David Leworthy | 22/10/1962 | 31 | 16 | 9 |
| Jimmy Light | 13/01/1954 | 68 | 0 | 1 |
| Derek Lilley | 09/02/1974 | 61 | 16 | 10 |
| Andy Linighan | 18/06/1962 | 14 | 1 | 0 |
| David Linney | 05/09/1961 | 35 | 2 | 0 |
| Armani Little | 05/04/1997 | 1 | 1 | 0 |
| John Lloyd | 10/12/1944 | 70 | 4 | 0 |
| Kyran Lofthouse | 21/10/2000 | 1 | 2 | 0 |
| George Long | 05/11/1993 | 11 | 0 | 0 |
| Sam Long | 16/01/1995 | 186 | 29 | 13 |
| Arthur Longbottom | 30/01/1933 | 42 | 0 | 16 |
| Fabio Lopes | 07/12/2002 | 1 | 5 | 0 |
| Jefferson Louis | 22/02/1979 | 22 | 42 | 10 |
| Johnny Love | 11/03/1937 | 246 | 0 | 45 |
| Nick Lowe | 28/10/1952 | 79 | 1 | 4 |
| Dick Lucas | 22/01/1948 | 218 | 1 | 4 |
| George Luke | 20/10/1932 | 24 | 0 | 9 |
| Pal Lundin | 21/11/1964 | 36 | 1 | 0 |
| John Lundstram | 18/02/1994 | 96 | 8 | 4 |
| David Lynn | 31/01/1995 | 1 | 0 | 0 |
| Phil Lythgoe | 18/12/1959 | 31 | 5 | 5 |
Data correct to July 2023
