William H. Mylrea (1853-1916) was an American lawyer.
Born in Rochester, New York, he moved to what is now Wisconsin Dells, Wisconsin. After going to Lawrence University, Myrlea was admitted to the Wisconsin bar. He then moved to Wausau, Wisconsin to practice law and to work in the insurance, lumber, real estate business. He served as Wisconsin Attorney General 1895-1899 as a Republican.[1]