William Hall Doolittle (born November 6, 1848) was a Republican politician who represented the state of Washington in the United States House of Representatives. Serving as a Representative from Washington, he held federal office during the 1890s, a formative period in the state’s early congressional history following its admission to the Union.

Doolittle served two terms in Congress, with his tenure beginning on August 7, 1893, and concluding on March 3, 1897. During this time, he was identified with the Republican Party and represented Washington in a capacity recorded here without a specific numbered district designation. His service placed him among the early historical members of Congress from Washington, contributing to the state’s representation at the national level during his four years in office.

After leaving Congress in 1897, William Hall Doolittle is recorded as a former officeholder, with no additional official roles, committee assignments, or contact details provided in the available metadata.