James Gregory may refer to: James Gregory (mathematician) (1638–1675), Scottish mathematician and astronomer James Gregory (physician) (1753–1821), Scottish physician James Gregory (mineralogist) (1832–1899), Scottish mineralogist James Gregory (actor) (1911–2002), American actor James Gregory (prison officer) (1941–2003), South African prison guard, author of Goodbye Bafana James Gregory (comedian) (born 1946), American comedian Jim Gregory (basketball), American former college basketball standout Jim Gregory (football chairman) (1928–1998), former English football club director and chairman Jim Gregory (footballer) (1876–1949), Australian rules footballer Jim Gregory (ice hockey) (1935–2019), Canadian general manager and league executive in the National Hockey League Jim Gregory (politician) (elected 2018), American politician from Pennsylvania James Crawford Gregory (1801–1832), Scottish physician James G. Gregory (1843–1932), Surgeon General of Connecticut and member of the Connecticut House of Representatives James Monroe Gregory (1849–1915), professor of Latin and dean at Howard University