Michael Colle is a Canadian politician who has served as deputy mayor of Toronto since 2023, representing North York. He was elected to represent Ward 8 Eglinton—Lawrence on Toronto City Council in the 2018 election. Colle served in the Legislative Assembly of Ontario from 1995 to 2018 and was a Cabinet minister during Premier Dalton McGuinty's tenure. He was formerly a York city councillor and Metro Toronto councillor, where he sat as the chair of the Toronto Transit Commission (TTC) from 1991 to 1994.

The deputy mayor of Toronto is a member of Toronto City Council appointed to assist the mayor of Toronto. One councillor is designated for statutory purposes and additional deputy mayors may be appointed to represent the mayor on an honorary basis, but with no statutory authority.