Sydney Jacob
| Full name | Sydney Montague Jacob |
|---|---|
| Country (sports) | India |
| Born | 28 October 1879 Dalhousie, British India |
| Died | 14 February 1977 (aged 97) Woldingham, Surrey, England |
| Turned pro | 1907 (amateur tour) |
| Retired | 1928 |
| Singles | |
| Career record | 55–37 |
| Career titles | 15 |
| Grand Slam singles results | |
| French Open | SF (1925) |
| Wimbledon | QF (1925) |
| Other tournaments | |
| Olympic Games | QF (1924) |
| Doubles | |
| Grand Slam doubles results | |
| Wimbledon | SF (1921) |
| Olympic Games | 1R (1924) |
| Mixed doubles | |
| Grand Slam mixed doubles results | |
| Wimbledon | 2R (1924, 1925, 1927) |
| Olympic Games | 2R (1924) |
Sydney Montague Jacob (28 October 1879 – 14 February 1977) was an Anglo-Indian tennis player who represented India at the Davis Cup and Olympic Games. He was active from 1907 to 1928 and won 15 career singles titles.