Thomas Gregory may refer to: Thomas Gregory Thomas Watt Gregory (1861–1933), American attorney and United States Attorney General Thomas Gregory (MP), in 1581 MP for Plympton Erle Thomas Montgomery Gregory (1887–1971), dramatist, educator, social philosopher and activist Tom Gregory Tom Gregory (radio and TV announcer) (1927–2006), American radio and television announcer and news anchor Tom Gregory (producer) (born 1960), American entertainer and commentator Tom Gregory (singer) (born 1995), English singer songwriter Tom Gregory (swimmer) (born 1976), British swimmer and writer