Leonard Keith Johnson (28 March 1929 – 24 September 1995) was an Australian politician.
Born in Melbourne, he was educated at public schools before becoming a factory worker and storeman.
An organiser of the Federated Miscellaneous Workers' Union of Australia, he was also active in local politics as a councillor on Broadmeadows Municipal Council.
In 1969, he was elected to the Australian House of Representatives as the Labor member for Burke.