Lyon Hall, also known as the Lyon-Lamar House, is a historic Greek Revival mansion in Demopolis, Alabama, United States.

[3] The house is a two-story wooden frame structure, sided with clapboard.

The front portico features six two-story square columns, constructed in brick with a stucco finish.

The upper balcony spans the entire width of the house and is attached to the columns.

[4] Media related to Lyon Hall at Wikimedia Commons