Ernest Frederick Burns Blyth (11 July 1872 – 1 November 1933) was an Australian politician.
He was born in Franklin in Tasmania. In 1913 he was elected to the Tasmanian House of Assembly as a Liberal member for Wilmot. A Nationalist from 1917, he joined the Country Party in 1922. Blyth was defeated in 1925 and died in Kimberley in 1933.