His Majesty's Chief Inspector (formerly Her Majesty's Chief Inspector), or simply HM Chief Inspector, is the head of an inspectorate. They are often appointed from outside the organisation over which they have oversight.
| Chief inspector | Year created | Incumbent | Start date | |
|---|---|---|---|---|
| HM Chief Inspector of Constabulary and HM Chief Inspector of Fire & Rescue Services (England and Wales) | 1856 | Andy Cooke[1] | 1 April 2022 | |
| HM Chief Inspector of Constabulary in Scotland | 1857 | Gill Imery QPM | April 2018 | |
| 1907 | Meilyr Rowlands[2] | May 2015 | ||
| 1936 | Dame Glenys Stacey[3] | March 2016 | ||
| 1979 | June 2013 | |||
| HM Chief Inspector of Prisons (England and Wales) | 1981 | February 2016 | ||
| HM Chief Inspector of Crown Prosecution Service (England and Wales)[4] | 1986 | Kevin McGinty[5] | April 2015 | |
| HM Chief Inspector of Fire Services (Scotland) | 2005 | Martyn Emberson[6] | January 2016 | |
| Chief Nuclear Inspector | 2013 | Mark Foy | 2017 | |
| HM Chief Inspector of Crown Premises Fire Safety[7] | Peter Holland | 28 January 2013 | ||
| HM Chief Inspector of Education, Children's Services and Skills (England) | 1992 | 1 January 2017 | ||
| HM Chief Inspector of Mines | 1908 | Dan Mitchell | 20 January 2020 | |
| HM Chief Inspector of Drinking Water | 1990 | Marcus Rink | 22 July 2015 |
| Chief inspector | Years active | Final incumbent | |
|---|---|---|---|
| HM Senior Chief Inspector of Education (Scotland) | 1840 to 2011 | Bill Maxwell | |
| HM Chief Inspector of Nuclear Installations | ? to 2013 | Mike Weightman |