Kenneth W. MacKenzie (February 3, 1862 – October 9, 1929) was a politician in Alberta, Canada and a two-time mayor of Edmonton.

In Edmonton, he became principal of College Avenue High School, in which capacity he served until 1898 when he resigned to pursue a career as a bookseller and stationer.

At the conclusion of his term, he stayed out of municipal politics until the 1904 election, in which he was acclaimed to the office of mayor for a third time.

After this, his last term as mayor, expired, MacKenzie became land agent for the Government of Canada, in which capacity he served until 1913.

His only return to electoral politics occurred in 1912, when he was elected to the public school board (finishing first of seven candidates).