| Salisbury | William | 1918-19 | 355 | 58 | St Anthony's | Liverpool | |
| Samushonga | Charles | 2006-07 | 1 | – | Dundee United | Rutherglen Glencairn | |
| Santala | Jukka | 2005-06 | Loan | 22 | 12 | Rangers | – |
| Scott | Ally | 1980-81 | 3 | 0 | Morton | Queen of the South | |
| Scott | David | 1982-83 | 24 | 1 | Tynecastle Boys Club | Broxburn Athletic | |
| Scott | 1895-96 | 1 | 0 | ||||
| Scott | Thomas | 1898-99 | 5 | – | Cliftonville | Cliftonville | |
| Scrimgeour | Brian | 1987-88 | 21 | 1 | Falkirk | ||
| Sellars | Calum | 2007-08 | 1 | 0 | Partick Thistle Under 17's | ||
| Seymour | Stanley | 1916-17 | Guest | 4 | 2 | Bradford City | – |
| Shankland | J | 1881-82 | 10 | 1 | |||
| Shankly | Bill | 1943-44 | Guest | 69 | 12 | Preston North End | – |
| Shannon | Wm John | 1897-98 | 8 | 0 | Clydebank | ||
| Sharp | Alec | 1941-42 | 14 | 2 | Albion Rovers | Albion Rovers | |
| Sharp | N | 1940-41 | 5 | 0 | |||
| Sharp | Willie | 1939-40 | 573 | 229 | Shettleston Juniors | Retired | |
| Shaw | George | 1991-92 | 102 | 23 | St Mirren | Dundee | |
| " | " | 2000-01 | 15 | 3 | Ross County | Stranraer | |
| " | " | 2003-04 | Guest | 1 | – | Unattatched | – |
| Sheed | Ronnie | 1977-78 | 11 | 2 | Kilmarnock | Duncanrigg Amateurs | |
| Shepherd | Tony | 1995-96 | Trialist | 1 | 0 | Ayr United | Ayr United |
| Shields | Gregg | 2009-10 | Loan | Carolina Railhawks | – | ||
| Shields | Matthew | 2002-03 | 2 | 0 | S Form (Partick Thistle Under 15's) | ||
| Shields | Peter | 1984-85 | 23 | 0 | Heart of Midlothian | Cowdenbeath | |
| Sibbald | Robert | 1917-18 | 6 | 0 | Queen's Park | Johnstone | |
| Simpson | Johnny | 1927-28 | 96 | 82 | Queen's Park | Plymouth Argyle | |
| Simpson | William | 1959-60 | 6 | 2 | Stirling Albion | Oxford United | |
| Simpson | 1892-93 | 5 | 0 | ||||
| Simpson | 1894-95 | 1 | 0 | ||||
| Sinclair | 1882-83 | 5 | – | ||||
| Sinclair | 1895-96 | 2 | 0 | ||||
| Sinclair | 1901-02 | 1 | 0 | ||||
| Sives | Craig | 2006-07 | Loan | Heart of Midlothian | – | ||
| Slavin | Jim | 1995-96 | 39 | 1 | Celtic | Wishaw Juniors | |
| Smellie | 1901-02 | 1 | 0 | ||||
| Smith | Alfred | 1935-36 | 33 | 12 | Dundee Logie | Dundee Logie | |
| Smith | Barry | 2006-07 | Loan | 16 | 1 | Valur FC | – |
| Smith | Bobby | 1989-90 | 35 | 2 | Dunfermline Athletic | Berwick Rangers | |
| Smith | Charles | 1904-05 | 5 | 0 | Falkirk | ||
| Smith | Charlie | 1969-70 | 132 | 20 | Falkirk | Maritzburg | |
| Smith | Colin | 1972-73 | 12 | 1 | Queen's Park | Stranraer | |
| Smith | Effingham ! | 1905-06 | 1 | 0 | Vale of Clyde | Vale of Leven | |
| Smith | George | 1953-54 | 343 | 125 | Torpichen Juniors | Dundee United | |
| Smith | Gordon | 1985-86 | 36 | 12 | Meadowbank Thistle | East Fife | |
| Smith | J | 1887-88 | 51 | 0 | Belfast | ||
| Smith | Jamie | 2000-01 | 42 | 2 | Stranraer | Brechin City | |
| Smith | Jimmy | 1942-43 | 20 | 6 | Alva Albion Rangers | Alloa Athletic | |
| Smith | Kenny | 1980-81 | 7 | 0 | Leven Bank Juveniles | Vale of Leven Juniors | |
| Smith | Pat | 1894-95 | 49 | – | Duntocher Harp | Bolton Wanderers | |
| Smith | Sydney | 1909-10 | 21 | 6 | Glossop | ||
| Smith | Tom | 1990-91 | 70 | 9 | S' Form – St Mary's Boys Club | Ayr United | |
| Smith | 1892-93 | 1 | 0 | ||||
| Smith | 1918-19 | 1 | 0 | ||||
| Smith | Reg | 1944-45 | Guest | 1 | 0 | Millwall | – |
| Smith | William | 1953-54 | 66 | – | Linlithigow Rose | Queen of the South | |
| Smyth | Andy | 1984-85 | 1 | – | S' Form – Barrhead Boys Club | Troon Juniors | |
| Smyth | Marc | 2005-06 | 49 | 2 | Ayr United | Airdrie United | |
| Snowdon | Will | 2004-05 | 43 | 1 | Livingston | Stranraer | |
| Sommers | James | 1904-05 | 93 | 11 | Motherwell | ||
| Somner | Dougie | 1974-75 | 218 | 101 | Ayr United | St Mirren | |
| Spence | John C | 1895-96 | 75 | – | Partick A | ||
| Spence | John | 1900-01 | 17 | 9 | |||
| Spittal | Iain | 1986-87 | 48 | 1 | Pollok Juniors | Pollok Juniors | |
| Staite | Dick | 1961-62 | 33 | 3 | Broxburn Strollers | Clyde | |
| Stamp | Alf | 1972-73 | 1 | 0 | Queen's Park | Caversham | |
| Stead | Angus | 1941-42 | 17 | 3 | St Mirren | Dumbarton | |
| Steadward | Jim | 1944-45 | 78 | – | Queen's Park | Dundee | |
| Steel | James | 1909-10 | 41 | 8 | Lanemark Juniors | Johnstone | |
| Steel | Billy | 1954-55 | 2 | 0 | Wallhouse Rose | Whitburn Juniors | |
| Steel | 1884-85 | 1 | 0 | ||||
| Steele | G | 1943-44 | 1 | 0 | |||
| Steele | 1892-93 | 2 | 0 | ||||
| Stevens | Gregor | 1984-85 | 8 | 0 | Motherwell | Brechin City | |
| Stevenson | Alex | 1935-36 | 31 | 0 | Petershill Juniors | Retired due to injury | |
| Stevenson | Hugh | 1987-88 | Loan | 1 | – | Dumbarton | – |
| Stevenson | John | 1912-13 | 50 | 1 | Reading | ||
| " | " | 1915-16 | 7 | 0 | Reading | ||
| Stewart | A | 1892-93 | 29 | 6 | |||
| Stewart | A | 1968-69 | 5 | 0 | |||
| Stewart | Andy | 1997-98 | Loan | 9 | – | Dundee United | – |
| Stewart | Alex | 1918-19 | 40 | – | Falkirk | ||
| Stewart | Alex | 1944-45 | 6 | 0 | Dennistoun Waverley | ||
| Stewart | Colin | 2005-06 | 15 | – | Ross County | ||
| Stewart | George | 1895-96 | 14 | 0 | Third Lanark | Motherwell | |
| Stewart | George | 1911-12 | 18 | 2 | Manchester City | Merthyr Town | |
| Stewart | Alex | 1906-07 | 2 | 0 | East Benhar | Ayr | |
| Stewart | J | 1886-87 | 31 | 2 | Partick Westburn | West Hartlepool Amateur Club | |
| Stewart | James | 1935-36 | 111 | 0 | Fauldhouse United | Falkirk | |
| Stewart | Jim | 1986-87 | 11 | – | St Mirren | Kilmarnock (Coach) | |
| Stewart | Mark | 2003-05 | 7 | 0 | Celtic Under 16's | Falkirk | |
| Stewart | Pat | 1968-69 | 6 | 0 | Sighthill Amts | Alloa Athletic | |
| Stewart | J | 1890-91 | 1 | 0 | |||
| Stewart | Sandy | 2000-01 | 26 | 0 | Airdrieonians | Airdrie United | |
| Still | Nelson | 1985-86 | 16 | – | Arsenal | Falkirk | |
| Stirling | Jered | 1995-96 | 65 | 16 | Partick Thistle Under 18's | Motherwell | |
| " | " | 2000-01 | 6 | 0 | Waterford United | Forfar Athletic | |
| Stirling | W | 1882-83 | 4 | 0 | |||
| Stirling | Jim | 1895-96 | 2 | 0 | Leicester Fosse | Polton Vale | |
| Stockdale | Douglas | 1944-45 | 12 | 8 | Rosyth Victoria Secondary Juveniles | Raith Rovers | |
| Storey | Simon | 2007-08 | Melbourne Victory | ||||
| Stott | Alex | 1949-50 | 120 | 77 | Dundee | Hamilton Academical | |
| Strachan | Adam | 2003-04 | Partick Thistle Under 16's | Ross County | |||
| Strachan | Hugh | 1970-71 | 173 | 1 | Kilmarnock | Retired (to Morton Youth Team Coach) | |
| Strachan | Stuart | 1904-05 | 2 | – | Dumfries | Kilmarnock | |
| Strong | Gregg | 2006-07 | Trialist | 1 | 1 | Livingston | Dundee |
| Struthers | John | 1921-22 | 44 | 0 | Queen's Park | ||
| Suter | E | 1881-82 | 2 | 0 | |||
| Suter | Fergie | 1884-85 | 1 | – | Rangers | ||
| Suter | Jerry | 1881-82 | 139 | 42 | |||
| Sutherland | George | 1934-35 | Guest | 1 | – | East Fife | – |
| " | " | 1935-36 | 250 | 2 | East Fife | Leyton Orient | |
| Sutherland | J | 1883-84 | 15 | 1 | |||
| Sutherland | Stanley | 1929-30 | 6 | 0 | Grange Rovers | Bournemouth | |
| Suttie | Tommy | 1903-04 | 2 | 0 | Lochgelly United | Cowdenbeath | |
| Swan | Iain | 1999-00 | Loan | 2 | 0 | Oldham Athletic | – |
| Swann | Andrew | 1905-06 | 25 | 3 | St Mirren | Blackpool | |
| Swann | John | 1936-37 | 16 | 0 | Larne | ||
| Sweeney | Joe | 1980-81 | 18 | 0 | Clydebank | Pollok Juniors | |