Fraser Octagon House is an historic octagon house located in Tatamagouche, Nova Scotia, Canada. It was built in 1857 and is one and a half storeys. It features "Greek Revival pilasters and entablature at the front entrance"; "a wood frame shed"; and "prominent location on a corner lot". It was recognized as a Nova Scotia Provincially Recognized Site under the Heritage Property Act on 31 March 1993.