Vincent Morrison Brennan (April 22, 1890 – February 4, 1959) was a politician from the U.S. state of Michigan.

Brennan was born in Mount Clemens, Michigan and moved with his parents to Detroit in 1895.

He was also a Catholic and a member of the National Lawyers Guild, Knights of Columbus, and Delta Theta Phi Brennan was elected as a Republican to the United States House of Representatives from Michigan's 13th congressional district for the 67th Congress, serving from March 4, 1921, to March 3, 1923.

Brennan introduced a bill in 1922, the first that proposed to allow radio coverage of U.S. House of Representatives proceedings.

After leaving Congress, he was elected judge of the circuit court of Wayne County, for the term commencing in January 1924 and was reelected for six successive terms, serving until his resignation effective December 31, 1954.