Frank Plumley (December 17, 1844 – April 30, 1924) was an American politician and lawyer from Vermont.

He graduated from the University of Michigan Law School and was admitted to the bar in Lamoille County in May 1869.

[7] In 1905, he was selected by France and Venezuela as umpire in the French-Venezuela mixed commission, which sat in Northfield, Vermont.

This is the only instance where an American not serving in a high official office was chosen by these countries to arbitrate the differences between them.

Their son Charles Albert Plumley was a President of Norwich University who also served in the United States House of Representatives.

[11] After serving in Congress, Plumley resumed the practice of law in Northfield, Vermont in partnership with his son Charles and Murdock A.