William Ross Allen (January 22, 1869 – October 26, 1942) was an American politician and lawyer from Virginia.
His father was a lawyer and member of the Virginia House of Delegates.
In May 1895, Allen was elected commonwealth's attorney of Botetourt County.
[1][2] Allen served as a member of the Virginia House of Delegates in 1901.
[1] He served as chairman of Botetourt County's democratic committee for 15 years.