Lewis Deane
| Full name | Lewis Seymour Deane |
|---|---|
| Country (sports) | British India |
| Born | 12 March 1882 |
| Died | 18 December 1934 (aged 52) |
| Singles | |
| Grand Slam singles results | |
| Wimbledon | 1R (1911, 1921, 1923) |
| Doubles | |
| Grand Slam doubles results | |
| Wimbledon | SF (1921, 1923) |
| Grand Slam mixed doubles results | |
| Wimbledon | F (1923) |
Lewis Seymour Deane (12 March 1882 – 18 December 1934) was an Anglo-Indian tennis player.
Born in Meerut, Deane was the second son of British Indian Army captain George Deane of the Bengal Lancers.
Deane, a champion of Bengal and Punjab, played in India's first ever Davis Cup team in 1921, with the side going through to the semi-finals. He twice reached the Wimbledon men's doubles semi-finals (with Sydney Jacob in 1921 & Hassan Ali Fyzee in 1923) and was a mixed doubles finalist at the 1923 Wimbledon Championships.