| Honorific-Prefix: | The Honourable |
| Lord Clark | |
| Office: | Senator of the College of Justice |
| Term Start: | 24 May 2016 |
| Nominator: | Nicola Sturgeon As First Minister |
| Profession: | Advocate |
Alistair MacDonald Clark, Lord Clark (born 3 December 1955) is a Scottish lawyer who was appointed in 2016 as a Senator of the College of Justice, a judge of the Court of Session.
Alistair Clark began his career a university lecturer, teaching mostly commercial law and company law. He was admitted as an advocate in 1994, and appointed as a Queen's Counsel in 2008.
In May 2016, Clark was appointed as a Senator of the College of Justice.He was installed as a judge on 24 May 2016, taking the judicial title Lord Clark.