The John K. Voorhees House is a historic building located northwest of Oskaloosa, Iowa, United States.

He owned 400 acres (160 ha), and was considered a leading farmer in the county.

Voorhees had this house built in 1871, and he supervised the work that was done by masons and carpenters.

The east section of the original porch and the balustrades on top had been removed.

This article about a property in Mahaska County, Iowa on the National Register of Historic Places is a stub.