W. Sheffield Cowles

William Sheffield Cowles (October 6, 1898 – May 2, 1986) was an American politician. He served as a Republican member of the Connecticut House of Representatives.

Life and career
Cowles was born in New York City and was a nephew of President Theodore Roosevelt. He attended Yale University. He saw service in both World War I and World War II, the first in the Marines the second in the Navy.

Cowles served in the Connecticut House of Representatives from 1948 to 1956.

Cowles died May 2, 1986 at his family's home in Farmington, Connecticut, at the age of 87.