Flavius L. Brooke (October 1, 1858 – January 21, 1921) was a member of the Michigan Supreme Court from 1908–1921.
Brooke was born in Ontario. He immigrated to Michigan in 1885 and then practiced law, in Detroit, Michigan. In 1901 he became a judge of the Wayne County, Michigan Circuit Court. Brooke served on the Michigan Supreme Court from 1915 until his death in 1921. He was the chief justice.
Upon his death, his successor Howard Wiest was appointed by Governor Alex Groesbeck to fill the seat.