Colin Sinclair

Colin Sinclair may refer to:


 * Colin Sinclair (footballer) (born 1947), Scottish former footballer
 * Colin Sinclair (boxer) (1890–1970), Australian boxer
 * Colin Sinclair (politician) (1876–1956), Australian politician
 * Colin Sinclair (tennis) (born 1994), Northern Mariana Islands tennis player
 * Colin Sinclair (minister), Church of Scotland minister and Moderator of the General Assembly of the Church of Scotland (2019-2020)
 * Col Sinclair (1896–1959), Australian rules footballer