Joseph Kemp Toole (born May 12, 1851) was a Democratic politician who represented the Territory of Montana in the United States Congress during the late nineteenth century. Serving as a Representative at large for Montana’s “-1” district, he held office from December 7, 1885, to March 3, 1889. His tenure placed him among the historical members of Congress who helped shape the political development of the territory before Montana’s transition to statehood.

Toole served two terms in Congress, reflecting sustained support for his role as Montana’s delegate. As a Representative, he was affiliated with the Democratic Party and is recorded under the bioguide identification number T000312. His congressional service from 1885 to 1889 stands as the central known element of his public career in the available record, marking him as a significant early federal representative for Montana.