| Name | Start | End | Leader | Westminster leader |
|---|---|---|---|---|
| Douglas Henderson | 1974 | 1979 | ||
| Pete Wishart | 1 June 2001 | 1 June 2007 | ||
| Stewart Hosie | 10 October 2007 | 20 May 2015 | ||
| Mike Weir | 20 May 2015 | 9 June 2017 | ||
| Patrick Grady | 9 June 2017 | 9 March 2021 | ||
| Owen Thompson | 4 September 2023 | present |
| Name | Start | End | Leader | Westminster leader |
|---|---|---|---|---|
| Douglas Henderson | 1974 | 1979 | ||
| Pete Wishart | 1 June 2001 | 1 June 2007 | ||
| Stewart Hosie | 10 October 2007 | 20 May 2015 | ||
| Mike Weir | 20 May 2015 | 9 June 2017 | ||
| Patrick Grady | 9 June 2017 | 9 March 2021 | ||
| Owen Thompson | 4 September 2023 | present |