| Mackie | George | 1976-77 | 87 | 0 | Dundee | Vejle Boldklub 1909 | |
| Mackie | Peter | 1986-87 | 37 | 3 | St Mirren | ||
| Mackie | Thomas | 1922-23 | 1 | 0 | Benburb | ||
| Mackin | Alan | 1984-85 | 33 | 1 | Falkirk | East Stirlingshire | |
| Madaschi | Adrain | 2003-04 | Atlanta | Dundee | |||
| Magee | Kevin | 1991-92 | 10 | 0 | Armadale Thistle | Preston North End | |
| Maher | Paul | 1987-88 | 3 | 0 | Bailieston Juniors | Pollok Juniors | |
| Mailer | Andrew | 1896-97 | 15 | 6 | Third Lanark | Cameronians | |
| Maitland | R | 1884-85 | 6 | 2 | |||
| Malcolm | J | 1944-45 | 1 | 0 | |||
| Maley | Thomas E | 1884-85 | 9 | 7 | Cathcart FC | London Caledonian | |
| Mallon | Jim | 1955-56 | 15 | 11 | Shawfield Juniors | Oldham Athletic | |
| Marinello | Peter | 1983-84 | 8 | 0 | Heart of Midlothian | Broxburn Athletic | |
| Marr | John | 1974-75 | 188 | 0 | Petershill | Morton | |
| Marshall | Bob | 1884-85 | 95 | 17 | Partick | Rangers | |
| Marshall | Colin | 2006-07 | 1 | 0 | Forfar Athletic | Ayr United | |
| Marshall | Jim | 1911-12 | 52 | 25 | Bo'ness | Bradford City | |
| " | " | 1917-18 |
Loan
|
47 | 27 | Bradford City | – |
| Marshall | John | 1884-85 | 61 | 20 | Partick | Retired due to Ill-Health | |
| Marshall | 1889-90 | 3 | – | Rangers | |||
| Marshall | James | 1891-92 | 18 | 0 | Rangers | ||
| Marten | A | 1880-81 | 1 | 0 | |||
| Martin | Alex | 1997-98 | 25 | 2 | Airdrieonians | Queen's Park | |
| Martin | Angus | 1922-23 | 1 | 0 | East Stirling | ||
| Martin | Brian | 1999-00 | 19 | 0 | Stirling Albion | Lanark United | |
| Martin | J | 1885-86 | 5 | 0 | |||
| Martin | 1896-97 | 1 | 0 | Renton | |||
| Martyn | 1891-92 | 1 | 0 | ||||
| Maskrey | Steve | 1996-97 | 38 | 2 | Kilmarnock | Livingston | |
| Massey | Lee | 1906-07 | 58 | – | Petershill | Ayr Parkhouse | |
| Massie | William | 1897-98 | 143 | 25 | Port Glasgow Athletic | ||
| Mather | John | 1943-44 | 3 | 0 | Rutherglen Glencairn | Falkirk | |
| Mathers | David | 1949-50 | 273 | 11 | Govan High School | East Stirlingshire | |
| Mathie | David | 1946-47 | 51 | 39 | Clyde | Motherwell | |
| Maxwell | 1904-05 | 2 | 0 | Petershill | |||
| Maxwell | Ian | 2008-09 | St Mirren | ||||
| Meikle | 1889-90 | 2 | 0 | ||||
| Meiklejohn | 1882-83 | 1 | 0 | ||||
| Melaugh | Gavin | 2003-04 |
Trialist
|
1 | 0 | Rochdale | Glentoran |
| Meldrum | John M | 1921-22 | 1 | 0 | Arthurlie | ||
| Melrose | Jim | 1975-76 | 182 | 65 | Eastercraigs | Leicester City | |
| Melrose | R | 1893-94 | 7 | 1 | |||
| Melville Mercer |
David Tam |
1903-04 1973-75 |
102 | 2 | East Fife S'Form |
Bradford City Queens Park |
|
| Mikkelsen | Jakup | 2003-04 | 10 | – | Molde FK | KL Klaksvik | |
| Middlemiss | Phill | 2008-09 | 1 | – | Kilmarnock | Kello Rovers | |
| Middleton | R | 1885-86 | 40 | 0 | Partick Rovers | ||
| Millar | William | 1943-44 | 35 | 5 | Annbank United | Aberdeen | |
| Miller | David | 1950-52 | 2 | 1 | Auchinleck Talbot | Cumnock Juniors | |
| Miller | J | 1892-93 | 2 | 0 | |||
| Miller | James | 1884-85 | 62 | 19 | |||
| Miller | John | 1924-25 | 59 | 35 | Aberdeen | Aberdeen | |
| Miller | Peter | 1884-85 | 4 | 0 | Dumbarton | ||
| Miller | Robert | 1920-21 | 1 | 0 | Ashfield | ||
| Miller | Scott | 1999-00 | 23 | 4 | Clydebank | Ross County | |
| Miller | Willie | 1929-30 | 152 | 39 | Alva Albion Rangers | Everton | |
| Miller | 1898-99 | 1 | 0 | ||||
| Milliken | Andrew | 1885-86 | 36 | 0 | |||
| Mills | Dougie | 1984-85 | 2 | 0 | Drumchapel Amts | Albion Rovers | |
| Milne | Calum | 1993-94 | 126 | 2 | Hibernian | Whitburn Juniors | |
| Milne | J | 1936-37 | 1 | 0 | |||
| Milne | Kenny | 2002-03 | 90 | 3 | Heart of Midlothian | Falkirk | |
| Mitchell | Andrew | 1944-45 | 1 | 1 | Strathclyde Juniors | ||
| Mitchell | Doug | 1974-75 | 8 | 1 | Ayr United | Queen of the South | |
| Mitchell | Jamie | 2003-04 | 102 | 13 | Clyde | Wroxham | |
| Mitchell | John | 1986-87 | 113 | 14 | Auchengall Boys Clu | Clyde | |
| Mitchell | William | 1919-20 | 21 | 2 | Celtic | Alloa Athletic | |
| Mitchell | 1906-07 | 1 | 0 | ||||
| Mitchell | Robert | 1965-66 | 1 | 0 | Bellshill Athletic | Larkhall Thistle | |
| Moffat | 1891-92 | 6 | 0 | ||||
| Montgomery | Jay | 2007-08 | 1 | 0 | |||
| Montgomerie | Ray | 1999-00 | 40 | 0 | Kilmarnock | Retired | |
| " | " | 2006-07 |
Guest
|
1 | 0 | – | – |
| Mooc | Vitezslav | 2007-08 | 2 | 0 | FC Slavoj Trebisov | ||
| Moon | Warren | 2005-06 |
Trialist
|
1 | 0 | Queensland Roar | Queen of the South |
| Mooney | Thomas | 1942-43 | 13 | 4 | Newcastle United | Albion Rovers | |
| Moore | Allan | 2000-01 | 24 | 1 | Airdrieonians | Morton | |
| Morgan | Alan | 1997-98 | 35 | 14 | Forfar Athletic | Retired | |
| " | " | 2006-07 |
Guest
|
1 | 0 | – | – |
| Morgan | Morris R J | 1943-44 |
Guest
|
1 | 0 | – | |
| Morgan | Patrick | 1916-17 | 5 | 1 | Bo'ness | ||
| Morrison | Dugald | 1912-13 | 95 | 4 | Denny Athletic | ||
| Morrison | Evelyn | 1931-32 | 19 | 18 | Sunderland | Falkirk | |
| Morrison | George C | 1898-99 | 1 | – | Leith Athletic | Cameronians | |
| Morrison | Graeme | 2001-02 |
Trialist
|
4 | 0 | Morton | Stirling Albion |
| Morrison | Herbert | 1894-95 | 51 | 1 | Linthouse | ||
| Morrison | Robert G | 1939-40 | 14 | 6 | Bellshill Athletic | St Mirren | |
| Morrison | John | 1996-97 |
Trialist
|
4 | 1 | – | |
| Morrow | Sam | 2006-07 |
Loan
|
Hibernian | – | ||
| Morton | Alex | 1901-02 | 39 | 1 | Cambuslang Rangers | Airdrieonians | |
| Moss | David | 1996-97 | 36 | 11 | Scunthorpe United | Falkirk | |
| Mossman | 1882-83 | 12 | 0 | ||||
| Muir | Robert | 1941-42 | 3 | 0 | St Mirren | ||
| Muir | Jimmy | 1905-06 |
Guest
|
1 | 0 | Maryhill | – |
| Muir | George | 1958-59 | 264 | 3 | Sauchie Juniors | Dumbarton | |
| Muirhead | John | 1899-00 | 118 | 31 | Duntocher Hibs | Clyde | |
| " | " | 1906-07 | 2 | 0 | Clyde | Dumbarton | |
| Mullen | Billy T.F | 1984-85 | 10 | 1 | Drumchapel Amts | Stranraer | |
| Mullin | Jim | 1971-72 | 10 | 3 | Eastercraigs | East Stirlingshire | |
| Mulvey | 1892-93 | 5 | 0 | ||||
| Munro | Alan | 1972-73 | 3 | 0 | Clydebank | Dundee United | |
| Munro | J | 1887-88 | 21 | 0 | Partick Westburn | Sunderland | |
| Muncie | James | 1905-06 |
Trialist
|
1 | 0 | Gelnbuck | – |
| Murdoch | Andy | 1988-89 |
Loan
|
14 | – | Celtic | – |
| " | " | 1989-90 |
Loan
|
14 | – | Celtic | – |
| " | " | 1990-91 | 89 | – | Celtic | Retired (Jonied Police Force) | |
| Murdoch | Hugh | 1902-03 | 26 | 0 | Kirkintilloch Rob Roy | ||
| Murphy | Joespth | 1944-45 | 1 | 0 | St Roch's | Cowdenbeath | |
| Murray | Grant | 2003-04 | 144 | 1 | St Johnstone | Kilmarnock | |
| Murray | Joe | 1938-39 | 1 | 0 | Brentford | Stenhousemuir | |
| Murray | John | 1979-80 | 174 | 0 | Coltness United | Clyde | |
| Murray | Malcolm | 1991-92 | 25 | 0 | Mansfield Town | Clydebank | |
| Murray | George | 1931-32 | 4 | 1 | Dunipace Juniors | Retired to Lanarkshire Police Force | |
| Murray | Robert | 1891-92 | 53 | 16 | Nottingham Forest | ||
| Murray | Stevie | 2007-08 | 47 | 1 | Kilmarnock | ||
| Murray | Thomas | 1908-09 | 22 | 0 | Maryhill | Portsmouth (1912) | |
| Murray | William | 1912-13 |
Loan
|
7 | 1 | Everton | – |
| Murray | 1900-01 | 2 | 1 | ||||
| Murray | 1905-06 | 1 | 0 |