Glenanna is a historic home located at Floyd, Floyd County, Virginia. It was built in 1849, and is a large two-story, double pile, brick dwelling in the Greek Revival style. The front facade features a massive, two-story, single-tier portico sheltering a small balcony on the second floor. The portico, a small conservatory, and a kitchen wing were added in the early-20th century. Also on the property are a contributing kitchen / servant house; a well shelter / dairy; and a smokehouse.

It was listed on the National Register of Historic Places in 2002. It is located in the Floyd Historic District.