Harrison Eugene Havens (December 15, 1837 – August 16, 1916) was an American lawyer and politician.

Havens was born in Franklin County, Ohio, and was the Republican Party Representative from Missouri from its 4th congressional district in the 42nd United States Congress between 1871 and 1873, and from its 6th congressional district in the 43rd United States Congress from 1873 to 1875.

He attended the local schools, studied law, was admitted to the bar, and practiced in Ohio before moving to Iowa to practice law and edit the Sigourney News newspaper.

During the American Civil War Havens served as commander of Company H, 47th Iowa Volunteer Infantry with the rank of captain.

He was editor of the Enid Eagle newspaper, and served as a member of the Oklahoma Territory's Legislative Council in the late 1890s, where he was a prominent supporter of the unsuccessful effort to achieve immediate statehood.