|Service branch||Royal Navy|
|Next higher rank||Engineer Rear-Admiral|
|Next lower rank||Engineer Commander|
An Engineer Captain was a commissioned rank of the Royal Navy and a promotional grade of the Engineering Branch. The rank was first introduced in 1903 when it replaced the rank of Inspector of Machinery. It ranked above Engineer Commander and below Engineer Rear-Admiral.
- Harley, Simon; Lovell, Tony (1 May 2012). "Engineer Captain (Royal Navy) - The Dreadnought Project". www.dreadnoughtproject.org. England: Harley and Lovell. Retrieved 27 June 2020.
- Harley and Lovell (2012).