Charles Julius Mickle (July 22, 1849 in Stratford, Canada West, now Ontario – November 10, 1919 in Minnedosa, Manitoba) was a politician in Manitoba, Canada. He was a provincial cabinet minister for three years and on two occasions served as the leader of the Liberal Party in the Legislative Assembly of Manitoba.
Mickle trained as a lawyer and was admitted to the Ontario bar in 1872. He practiced law in Ontario for ten years before moving to Manitoba. He was first elected to the Manitoba legislature for the constituency of Birtle in the 1888 provincial election, as a supporter of Liberal Premier Thomas Greenway. He was re-elected in the 1892 campaign
In 1889, he married Mary A. Ross. although Mickle was re-elected in Birtle. over Conservative John Leich. When Greenway re-entered federal politics in 1904,