Alexander Watt
| Alexander Stuart Watt | |
|---|---|
| Born | 21 June 1892 Aberdeenshire, Scotland | 
| Died | 2 March 1985 (aged 92) Cambridge, England | 
| Alma mater | University of Aberdeen | 
| Known for | cyclic succession in ecology | 
| Awards | Linnean Medal (1975) Fellow of the Royal Society | 
| Scientific career | |
| Fields | Ecology | 
| Institutions | University of Cambridge | 
Alexander Stuart Watt FRS(21 June 1892 – 2 March 1985) was a Scottish botanist and plant ecologist.