If you feel there are any errors in these records, or additions/corrections to be made, please contact oldcollegians@scotch.sa.edu.au. * denotes premiership season.
OSCA Captains (All Grades)
| Season | Grade | League | Name |
|---|---|---|---|
| 1968/69 | A Grade | A6 | Bill Parry |
| 1969/70 | A Grade | A5* | Bill Parry |
| 1969/70 | B Grade | A7 | John Alexander |
| 1970/71 | A Grade | A3* | Bill Parry |
| 1970/71 | B Grade | A6 | Neil Tonkin |
| 1971/72 | A Grade | A2* | Tony Fuller |
| 1971/72 | B Grade | A6 | Neil Tonkin |
| 1972/73 | A Grade | A1 | Tony Fuller |
| 1972/73 | B Grade | A5* | Tony Colyer |
| 1973/74 | A Grade | A1 | Tony Fuller |
| 1973/74 | B Grade | A4 | Allan Pipprell |
| 1974/75 | A Grade | A1 | John Reid |
| 1974/75 | B Grade | A4* | Paul McNeil |
| 1975/76 | A Grade | A1 | Mark Kidman |
| 1975/76 | B Grade | A3 | Stephen Mann |
| 1975/76 | C Grade | A9 | Ian Messenger |
| 1976/77 | A Grade | A1 | Paul McNeil |
| 1976/77 | B Grade | A4 | John Reid |
| 1976/77 | C Grade | A9 | Bruce Jarrett |
| 1977/78 | A Grade | A1 | Geoff Wickham |
| 1977/78 | B Grade | B1 | Grant Lyon |
| 1977/78 | C Grade | H* | John Treloar |
| 1978/79 | A Grade | A2 | Geoff Heard |
| 1978/79 | B Grade | B1 | Malcolm Jones |
| 1978/79 | C Grade | H | John Treloar |
| 1979/80 | A Grade | A2 | John McArthur |
| 1979/80 | B Grade | B1 | Geoff Snowball |
| 1979/80 | C Grade | F* | Malcolm Jones |
| 1980/81 | A Grade | A2 | John McArthur |
| 1980/81 | B Grade | B1 | Murray Tippett |
| 1980/81 | C Grade | E* | Malcolm Jones |
| 1981/82 | A Grade | A3 | Geoff Heard |
| 1981/82 | B Grade | C | Malcolm Jones |
| 1982/83 | A Grade | A3 | Ken Watson |
| 1982/83 | B Grade | C | Ian Thomas |
| 1983/84 | A Grade | A3 | Ken Watson |
| 1983/84 | B Grade | C | John Treloar |
| 1984/85 | A Grade | A2 | Rob Brice |
| 1984/85 | B Grade | E | Stephen White |
| 1985/86 | A Grade | A2 | Rob Brice |
| 1985/86 | B Grade | D | Stephen White |
| 1986/87 | A Grade | A2 | Rob Brice |
| 1986/87 | B Grade | D* | Stephen White |
| 1987/88 | A Grade | A2 | Rob Coulls |
| 1987/88 | B Grade | C | Stephen White |
| 1988/89 | A Grade | A2 | Rob Coulls |
| 1988/89 | B Grade | C | Stephen White |
| 1989/90 | A Grade | A3 | Rob Coulls |
| 1989/90 | B Grade | E | Rob Brice |
| 1990/91 | A Grade | A3* | Steve Parsons |
| 1990/91 | B Grade | E | Rob Brice |
| 1991/92 | A Grade | A2 | Steve Parsons |
| 1991/92 | B Grade | E | Rob Brice |
| 1992/93 | A Grade | A2 | Steve Parsons |
| 1992/93 | B Grade | E | Tim Knox |
| 1993/94 | A Grade | A2 | Jody Tucker |
| 1993/94 | B Grade | E | Tim Knox |
| 1994/95 | A Grade | A2 | Jody Tucker |
| 1994/95 | B Grade | D | Paul Tippett |
| 1995/96 | A Grade | A2 | Jody Tucker |
| 1995/96 | B Grade | B3 | Peter Feeney |
| 1996/97 | A Grade | A2 | Jody Tucker |
| 1996/97 | B Grade | B3 | Peter Feeney |
| 1997/98 | A Grade | A1 | Jody Tucker |
| 1997/98 | B Grade | B3 | Peter Feeney |
| 1998/99 | A Grade | A1 | Tom Kidman |
| 1998/99 | B Grade | B2 | Allan Miller |
| 1999/00 | A Grade | A1 | Tom Kidman |
| 1999/00 | B Grade | B2 | Allan Miller |
| 2000/01 | A Grade | A1 | Adam Niederer |
| 2000/01 | B Grade | B2* | Allan Miller |
| 2001/02 | A Grade | A2 | Adam Niederer |
| 2001/02 | B Grade | B1 | Jed Matz |
| 2002/03 | A Grade | A2 | Sean MacGregor |
| 2002/03 | B Grade | B1 | Jed Matz |
| 2003/04 | A Grade | A2* | Peter Harvey |
| 2003/04 | B Grade | B2 | Tom Emmett |
| 2004/05 | A Grade | A2 | Peter Harvey |
| 2004/05 | B Grade | B2 | Tom Emmett |
| 2005/06 | A Grade | A2* | Peter Harvey |
| 2005/06 | B Grade | B1 | Tom Emmett |
| 2005/06 | C Grade | LOC | Ash Smith |
| 2006/07 | A Grade | A1 | Peter Harvey |
| 2006/07 | B Grade | B1 | Tom Emmett |
| 2006/07 | C Grade | LOB | Ash Smith |
| 2007/08 | A Grade | A2 | Peter Harvey |
| 2007/08 | B Grade | B1 | Kym Ryder |
| 2007/08 | C Grade | LOB | Peter Feeney/Tom Kidman |
| 2008/09 | A Grade | A2 | Peter Harvey |
| 2008/09 | B Grade | B1 | Kym Ryder |
| 2008/09 | C Grade | LOB | Peter Feeney |
| 2009/10 | A Grade | A2 | John Clifford |
| 2009/10 | B Grade | LOA | Tom Kidman |
| 2009/10 | C Grade | LOB* | Peter Feeney |
| 2010/11 | A Grade | A2 | John Clifford |
| 2010/11 | B Grade | LOA | Tom Kidman |
| 2010/11 | C Grade | LOB | Peter Feeney |
| 2011/12 | A Grade | A2 | John Clifford |
| 2011/12 | B Grade | C2* | Anthony Tucker |
| 2011/12 | C Grade | LOB | Peter Feeney |
| 2012/13 | A Grade | A2 | John Clifford |
| 2012/13 | B Grade | C1 | Dennis Cester |
| 2012/13 | C Grade | LOA | Adam Niederer |
| 2013/14 | A Grade | A2 | John Clifford |
| 2013/14 | B Grade | B3 | Tom Grundy |
| 2013/14 | C Grade | LOA | Peter Feeney |
| 2014/15 | A Grade | A2 | John Clifford |
| 2014/15 | B Grade | B3 | Tom Grundy |
| 2014/15 | C Grade | LOA | Peter Feeney |
| 2015/16 | A Grade | A2 | John Clifford |
| 2015/16 | B Grade | LOB | Peter Feeney |
| 2016/17 | A Grade | A2 | John Clifford |
| 2016/17 | B Grade | B3 | Sean MacGregor |
| 2017/18 | A Grade | A2* | John Clifford |
| 2017/18 | B Grade | B2 | Sean MacGregor |
| 2018/19 | A Grade | A1 | Nathan Fox |
| 2018/19 | B Grade | B2* | John Clifford |
| 2018/19 | C Grade | LOC | Sean MacGregor |
| 2019/20 | A Grade | A1 | Nathan Fox |
| 2019/20 | B Grade | B1 | Dennis Cester |
| 2019/20 | C Grade | LOC | Sean MacGregor |
| 2020/21 | A Grade | A1 | Nathan Fox |
| 2020/21 | B Grade | B1 | Jono Lagonik |
| 2020/21 | C Grade | LOC | Adam Niederer |
| 2021/22 | A Grade | A2 | Nathan Fox |
| 2021/22 | B Grade | B1 | Stefan Carlson/Tom Kidman |
| 2021/22 | C Grade | LOC | Peter Feeney |
| 2022/23 | A Grade | A2 | Max Collett |
| 2022/23 | B Grade | LOB | Stefan Carlson |
| 2022/23 | C Grade | LOD | Tom Kidman/Peter Feeney |
| 2023/24 | A Grade | A1 | Hamish Winter-Irving |
| 2023/24 | B Grade | LOB | Sam Fuss |
| 2023/24 | C Grade | LOC | Tom Kidman |
| 2024/25 | A Grade | A1 | Hamish Winter-Irving |
| 2024/25 | B Grade | LOB | Sam Fuss |