Cyrus Broadwell House is a registered historic building near Newtown, Ohio, listed in the National Register on May 29, 1975. It was built in 1820 by Cyrus Broadwell (born 1801, died 1879) in the Greek Revival style. It has 23 columns, 12 feet high. It is currently a private residence.
Former owners included Hamilton County prosecutor John V. Campbell.
Not to be confused with the Broadwell House of the Cincinnati Country Day School, built ca. 1804 by John Broadwell, located about 5 miles to the north.