Joshua Soule Zimmerman (January 16, 1874 – September 2, 1962) was an American lawyer, politician, and orchardist in the U.S. state of West Virginia.

In the early years of the 20th century, Zimmerman served as the Prosecuting Attorney for Hampshire County and as a Democratic member of the West Virginia House of Delegates.

He was again appointed by Governor Cornwell to serve on a similar select committee following the ratification of the "Good Roads Amendment" of the Constitution of West Virginia in 1920.

[1][4][7] His father was then transferred to Romney, West Virginia, to preside over the Moorefield district of the Methodist Episcopal Church, South.

[4][7] In 1893, Zimmerman accepted the position of a clerk in the United States Census Office in Washington, D.C., during the second administration of President Grover Cleveland.

[8][9][11] While attending Columbian University, Zimmerman also served as editor of the 1896 Class Book and resided at 915 I Street, Northwest near Mount Vernon Square.

[1][2][12] His first legal case argued before the Hampshire County Circuit Court was West Virginia v. Smith, in which his client was charged with "breaking and entering with intent to commit larceny".

[12] Only seven years after starting his law practice, Zimmerman was appointed to fill the unexpired term of Prosecuting Attorney for Hampshire County, William B. Cornwell, who had resigned from the position.

[12] Zimmerman was nominated as the Democratic Party candidate for a seat representing Hampshire County in the West Virginia House of Delegates in 1920.

[2][12] He won the seat against Republican Party candidate C. W. Rogers in the November 1920 general election[12][20] and subsequently served as a member of the West Virginia House of Delegates from 1921 to 1924.

[1][2][21] Following his election, Zimmerman was made the Democratic Party's minority floor leader in the West Virginia House of Delegates.

[2][12] The new West Virginia State Road Law became necessary following the authorization of a 50 million USD bond issue during the 1920 general election.

[12] Zimmerman was again appointed by Governor Cornwell to serve on a similar select committee following the ratification of the "Good Roads Amendment" of the Constitution of West Virginia in 1920.

[22] He also served on the standing committees of the Judiciary,[27] Humane Institutions and Public Buildings,[28] Railroads,[28] Game and Fish,[29] Redistricting,[29] and Rules.