John Reid was a Presbyterian minister from Scotland who was also active in England and Australia. Born in Ayrshire, he was ordained into the United Secession Church in 1829, but later led independent and Burgher churches. He joined the established Church of Scotland in 1839, and in 1845 took over an expatriate congregation in Liverpool, England. Reid immigrated to Australia in 1852, living in Melbourne until 1858 and then in Sydney. He left the Church of Scotland and for a while ministered in John Dunmore Lang's schismatic sect, eventually ending his career at a non-denominational Bethel Union congregation. His son George Reid became the fourth Prime Minister of Australia.

John Dunmore Lang was a Scottish-born Australian Presbyterian minister, writer, historian, politician and activist. He was the first prominent advocate of an independent Australian nation and of Australian republicanism.