John Linton Treloar, OBE (10 December 1894 – 28 January 1952) was an Australian archivist and the second director of the Australian War Memorial (AWM). During World War I he served in several staff roles and later headed the First Australian Imperial Force's (AIF) record-keeping unit. From 1920 Treloar played an important role in establishing the AWM as its director. He headed an Australian Government department during the first years of World War II, and spent the remainder of the war in charge of the Australian military's history section. Treloar returned to the AWM in 1946, and continued as its director until his death.