Thomas H. Eviston (died September 8, 1860) was an American politician and businessman.
The family first settled in Providence, Rhode Island before moving to Milwaukee, Wisconsin in 1842.
Eviston worked as a lumber dealer, and was the chief engineer of Milwaukee's volunteer fire department.
Eviston and his wife died when the Lady Elgin shipwrecked in 1860.
This article incorporates text from the 1909 edition of Memoirs of Milwaukee County, by Jerome Anthony Watrous which is in the public domain in the United States.