| Robert Duncan Milne | |
| Birth Date: | 7 June 1844 |
| Birth Place: | Cupar, Fife, Scotland |
| Death Date: | 15 December 1899 (aged 55) |
| Death Place: | San Francisco, California |
Robert Duncan Milne (7 June 1844 - 15 December 1899) was a late-19th century San Francisco science fiction writer whose work was published primarily in newspapers of the time, and the magazine The Argonaut. Milne was rediscovered by Sam Moskowitz, who helped collect his work in Into the Sun & Other Stories. He was born in Cupar in Scotland.[1]