William P. Hayes (March 27, 1866 – October 20, 1940) was an American lawyer and politician who served as the twenty seventh Mayor of Springfield, Massachusetts.

[4] Hays was educated at the Springfield grammar and High Schools.

[4] Hayes attended Ottawa College in Ottawa, Ontario,[4] where he spent one year, and Boston University School of Law, from which he graduated in 1889.

[1] Hayes was the Assistant City Assessor of Springfield in 1887 and 1888.

This article about a member of the Massachusetts State Senate is a stub.