The 1918 Calgary municipal election was held on December 9, 1918 to a Mayor and six Aldermen to sit on Calgary City Council. Additionally a Commissioner, three members for the Public School Board were elected. There were twelve aldermen on city council, but five of the positions were already filled: Samuel Hunter Adams, , , Annie Gale, and were all elected to two-year terms in 1917 and were still in office. Robert Colin Marshall was elected as an Alderman in 1917 for a two-year term, but resigned to run for mayor. A number of plebiscites were held, all requiring a majority to pass.