John Harris (3 December 1890 – 5 October 1974) was an Australian trade unionist and politician who served as a Senator for Western Australia from 1947 to 1951 and from 1953 to 1959, representing the Labor Party.

He enlisted in the Australian Imperial Force (AIF) in January 1916 (after previous service in the Militia), and during the war served in France with the 3rd Tunnelling Company.

[1] Having previously served on the state executive, Harris won second place on Labor's senate ticket for the 1946 federal election, and was elected.

He did not contest the 1958 election, retiring at the end of his term in June 1959.

In parliament, Harris spoke infrequently, but served on several committees and was generally a strong supporter of Labor policy.