Colonel Thomas Deane Pearse | |
|---|---|
| Born | ca. 1741-42 |
| Died | 15 June 1789 On the Ganges river, India |
| Allegiance |  Kingdom of Great Britain.svg){kind=small} East India Company |
| Service | British Army Bengal Army |
| Years of service | 1761–1789 |
| Rank | Colonel |
| Unit | Royal Artillery Bengal Artillery |
| Battles / wars | Second Anglo-Mysore War |
Colonel Thomas Dean Pearse (c. 1741/42[1] – 15 June 1789) was a British Army officer who served as a colonel in the Bengal Army's artillery. He took an interest in astronomy and conducted many surveys during his service in India.