Willis Chatman Hawley (May 5, 1864 - July 24, 1941), American politician, was a Republican member of the United States House of Representatives from Oregon.

Born on a farm in the old Belknap settlement near Monroe, Oregon, he attended country schools and was graduated from the academic and law departments of Willamette University in Salem, Oregon in 1888.

He was a principal of the Umpqua Academy from 1884-86. He was president of the Oregon State Normal School at Drain from 1888-91. He served as president of Willamette University from 1893-1902 and was professor of history and economics for sixteen years. Later, he was engaged in numerous business and educational enterprises. He was a member of the National Forest Reservation Commission; member of the Special Committee on Rural Credits created by Congress in 1915; and member of the Commission for the Celebration of the Two Hundredth Anniversary of the Birth of George Washington.

Elected as a Republican to the Sixtieth and to the twelve succeeding Congresses (serving from March 4, 1907 to March 3, 1933). While in Congress, he was chairman of the Committee on Ways and Means (Seventieth and Seventy-first Congresses) and a co-sponsor of the Smoot-Hawley Tariff in 1930.

Hawley was an unsuccessful candidate for re-nomination in 1932. He returned to Salem and resumed the practice of law. He died there in 1941. Interment is in City View Cemetery.