Immortals L - Po
Name & Year of Induction
| Charles Lacey | 1976 | Walter J. Michael | 1978 |
| Ethel Larkin | 1976 | Don R. Millar | 2002 |
| Woodford Lawlis | 1979 | Delvin G. Miller | 1996 |
| N. W. Scott Leighton | 2008 | Roy Miller | 1979 |
| James "Ted" Leonard | 2002 | William E. Miller | 1976 |
| George M. Levy | 1978 | John J. Mooney | 1976 |
| David M. Look | 1958 | John Trotwood Moore | 1978 |
| James M. Lynch | 2000 | Walter Moore | 1978 |
| Dan Mace | 1977 | Ernest B. Morris | 1991 |
| Gus Macey | 1958 | George Ford Morris | 1978 |
| Donald D. MacFarlane | 1985 | P. Walter Moser | 1979 |
| John E. Madden | 1958 | Thomas W. Murphy | 1967 |
| Joseph I. Markey | 1978 | William B. Murray | 1991 |
| Charles Marvin | 1958 | Clinton N. Myers | 1976 |
| William T. Maybury | 1976 | Joeseph A. Neville | 1975 |
| Kenneth McCarr | 1979 | H. Willis Nichols | 1988 |
| Ned McCarr | 1976 | Katherine H. E. Nichols | 1988 |
| William H. McCarthy | 1958 | Corwin M. Nixon | 2003 |
| David McClary | 1959 | Joseph C. O'Brien | 1984 |
| Mary McCune | 1966 | Henry W. Oliver | 1994 |
| Michael McDevitt | 1958 | Kenneth "K. D." Owen | 2002 |
| Alonzo "Lon" McDonald | 1958 | Septer "Sep" F. Palin | 1958 |
| Andrew McDowell | 1959 | Walter Palmer | 1978 |
| Joseph McGraw | 1975 | John F. Patterson, Sr. | 2004 |
| Myron McHenry | 1958 | Hugh M. Parshall | 1958 |
| Francis M. McKinzie | 1999 | Charles W. Phellis | 1958 |
| Richard McMahon | 1958 | Stephen C. Phillips | 1974 |
| William "Doc" McMillen | 1985 | Stephen G. Phillips | 1978 |
| Leo C. McNamara, Sr. | 1959 | Harry Pownall, Sr. | 1979 |