James Knowles may refer to: James Sheridan Knowles (1784–1862), Irish dramatist and actor James Thomas Knowles (1806–1884), English architect James Thomas Knowles (1831–1908), English architect and editor of The Nineteenth Century James Knowles (aviator) (1896–1971), World War I ace James Knowles (footballer, born 1881) (1881–1923), English footballer Jim Knowles (American football) (born 1965), defensive coordinator at Ohio State University Jim Knowles (football manager), manager of Tranmere Rovers, 1936–1939 Jimmy Knowles (baseball) (1856–1912), baseball player James Knowles (murderer), Ku Klux Klan member responsible for the lynching of Michael Donald James Knowles III (born 1980), mayor of Ferguson, Missouri James Hinton Knowles, British missionary to Kashmir Jimmy Knowles (footballer) (born 2002), English footballer playing for Mansfield Town F.C.