Douglas S. S. Steuart | |
|---|---|
 Steuart with Lassie in 1934 | |
| Born | Douglas Stuart Spens Steuart 20 April 1872 |
| Died | 15 July 1949 (aged 77) |
| Occupation | Mining engineer |
Douglas Stuart Spens Steuart (20 April 1872 – 15 July 1949) was a British mining engineer, author and animal welfare worker.