M
| Gary MacKay-Steven | Player 2025---- |
2012 Scotland U21 3 caps 2013-2018 Scotland 2 caps |
| Malcolm Mackay | Manager 2021-2023 | 2004 Scotland 5 caps |
| Jason Marr | Player 2011 | 2010 Scotland U21 1 cap |
| Ashley Maynard-Brewer | Player 2021-2022 | 2021 Australia U23 3 caps |
| Aaron McCarey | Player 2016-2018 |
2009 Republic of Ireland U17 1 cap 2010 Republic of Ireland U18 1 cap 2010-2011 Republic of Ireland U19 14 caps 2012-2013 Republic of Ireland U21 10 caps |
| Darren McCormack | Player 2010-2011 | 2008 Scotland U21 1 cap |
| Jamie McCunnie | Player 2003-2005 |
2001-2005 Scotland U21 20 caps 2005 Scotland B 1 cap |
| James McEveley | Player 2017-2018 |
2003 England U20 3 caps 2003 England U21 1 cap 2006 Scotland B 2 caps 2007-2008 Scotland 3 caps |
| Steven McGarry | Player 2002-2006 | 1997 Scotland U21 3 caps |
| Michael McGovern | Player 2009-2011 |
2005-2006 Northern Ireland U21 10 caps 2010-2020 Northern Ireland 32 caps |
| Jim McIntyre | Manager 2014-2017 | 1998 Scotland 1 cap |
| Billy Mckay | Player 2017-2021 |
2008-2010 Northern Ireland U21 7 caps 2013-2016 Northern Ireland 11 caps |
| Brian McLean | Player 2013-2014 |
2005 Northern Ireland U21 1 cap 2006 Northern Ireland 1 cap |
| Declan Mcmanus | Player 2018-2020 |
2012 Scotland U18 2 caps 2012-2013 Scotland U19 8 caps 2014-2015 Scotland U21 2 caps |
| Gary McSwegan | Player 2004-2006 | 1999 Scotland 2 caps |
| Abdoulaye Meite | Player 2015 | 2003-2011 Ivory Coast 48 caps |
| Colin Meldrum | Player 1999 | 1996-1997 Scotland U21 6 caps |
| Branislav Micic | Player 2013-2014 |
2005-2006 Switzerland U16 3 caps 2006-2007 Switzerland U17 4 caps 2007-2008 Switzerland U18 4 caps 2010 Switzerland U20 3 caps |
| Scott Morrison | Player 2008-2012 | 2004-2005 Scotland U21 12 caps |
| Orhan Mustafi | Player 2013-2014 |
2008-2009 Switzerland U19 6 caps 2009-2010 Switzerland U20 3 caps 2008-2010 Switzerland U21 5 caps |