William Hall Doolittle (November 6, 1848 – February 26, 1914) was a U.S. Representative from Washington.

He studied law in Chautauqua County, New York, and was admitted to the bar in 1871.

He moved to Nebraska in 1872 and commenced practice in Tecumseh, Johnson County.

He moved to Washington Territory in 1880 and settled in Colfax, Whitman County, engaging in the practice of law.

This article incorporates public domain material from the Biographical Directory of the United States Congress