S
| Jimmy Stenhouse | Player/Manager/Coach 1952-1953 | 1944 Scotland (Wartime) 1 cap |
| Craig Samson | Player 2006-2007 | 2004-2005 Scotland U21 6 caps |
| Alexander Samuel | Player 2021-2025 | 2012 Wales U18 3 caps |
| Dominic Samuel | Player 2021-2023 | 2011-2013 England U19 3 caps |
| Brent Sancho | Player 2008 | 1999-2006 Trinidad and Tobago 43 caps |
| Steven Saunders | Player 2013-2015 |
2009-2010 Scotland U19 3 caps 2010-2012 Scotland U21 2 caps 2010 Scotland 1 cap |
| Alex Schalk | Player 2015-2018 |
2012-2013 Netherlands U20 4 caps 2011-2013 Netherlands U21 4 caps |
| James Scott | Player 2025----- | 2019-2021 Scotland U21 3 caps |
| Martin Scott | Player 2006-2011/2012-2013 | 2006 Scotland U21 1 cap |
| Darvydas Sernas | Player 2015 | 2008-2018 Lithuania 47 caps |
| Oliver Shaw | Player 2020-2021 |
2016-2017 Scotland U19 7 caps 2018-2019 Scotland U21 3 caps |
| Joshua Sims | Player 2022-2024 |
2014 England U17 8 caps 2014-2015 England U18 6 caps 2017-2019 England U20 8 caps |
| Jordan Slew | Player 2014 | 2011 England U19 2 caps |
| Andrew Smith | Player 2000 | 1998 Scotland B 1 cap |
| Darren Smith | Player 2010-2011 |
2007 Scotland U20 1 cap 2007 Scotland U21 1 cap |
| Dylan Smith | Player 2022------ |
2022-2023 Scotland U17 6 caps 2023-2025 Scotland U19 8 caps 2025----- Scotland U21 2 caps |
| Graeme Smith | Player 2003-2004 |
2004-2005 Scotland U218 caps 2007 Scotland B 1 cap |
| Yann Songo'o | Player 2014 | 2011 Cameroon U20 3 caps |
| Derek Soutar | Player 2008-2009 |
2000-2002 Scotland U21 11 caps 2004 Scotland B 1 cap |
| Harry Souttar | Player 2018 |
2015-2016 Scotland U17 2 caps 2016-2017 Scotland U19 3 caps 2019-2021 Australia U23 7 caps 2019---- Australia 36 caps |
| Ivan Sproule | Player 2013 | 2005-2007 Northern Ireland 11 caps |
| Colin Stewart | Player 2003-2005 | 2001 Scotland U21 1 cap |
| Ross Stewart | Player 2018-2021 | 2022 Scotland 2 caps |