John McFarlane Gray | |
|---|---|
| Born | 7 April 1831 Kincardine, Scotland |
| Died | 14 January 1908 (aged 76) Edinburgh, Scotland |
| Nationality | British |
| Occupation | Engineer |
| Known for | Steam steering mechanism |
John McFarlane Gray (7 April 1831 – 14 January 1908), also known as J. Macfarlane Gray, was a Scottish engineer who invented a portable steam riveting machine and a steam steering mechanism for Isambard Kingdom Brunel's famous SS Great Eastern.