| Thomas Southgate | |
| Full Name: | Cyril Thomas Southgate |
| Nationality: | British |
| Sport: | Rowing |
| Birth Date: | 22 December 1894 |
| Birth Place: | Tetbury, England |
| Death Place: | Stroud, England |
Thomas Southgate (22 December 1894 - 7 November 1970) was a British rower.[1] He competed in the men's coxless pairs event at the 1924 Summer Olympics with his brother-in-law Gordon Killick.[2]