Brian Treece (born May 11, 1969) is an American politician who was the Mayor of Columbia, Missouri, serving two consecutive terms in office from 2016–2022.

[3] Before becoming mayor Treece was chairman of the Downtown Leadership Council and served on the city's Historic Preservation Commission.

[1] He and his wife Mary Phillips founded the lobbying firm TreecePhillips in Jefferson City, Missouri.

[4][5] In the April 2, 2019 mayoral election he defeated former Missouri State Representative Chris Kelly.

[9][10][11] Treece announced the hiring of Columbia's newest city manager John Glascock on July 15, 2019.