John G. Lake (1870–1935) was a Canadian-born missionary to South Africa, traveling healing evangelist, Zionist Apostolic pastor, and co-founder with Thomas Hezmalhalch (1847–1934) of the Apostolic Faith Mission of South Africa denomination.

John Graham Lake was born in the community of Avonbank, Ontario, Canada, near the town of St. Marys on March 18, 1870. His father, James Lake (1841–1925), was a locally-born farmer, and his mother, Elizabeth Graham (1840–1913), had immigrated from Kilberry, Scotland. Family deaths became part of Lake’…