Sydney Earnest Christian, (17 April 1868 – 17 May 1931) was an Australian Army colonel and temporary brigadier general in the First World War. He retired in 1918 with the rank of honorary brigadier general.

See also List of Australian generals

References Sydney Christian, Biography at General Officers of the First AIF, www.aif.adfa.edu.au Whitelaw, J. (1979) 'Christian, Sydney Ernest (1868–1931)', Australian Dictionary of Biography, Volume 7, (MUP)