Frank Reagh Elliott (April 10, 1877 – November 4, 1931) was a hardware merchant and political figure in Nova Scotia, Canada.
He represented Annapolis County in the Nova Scotia House of Assembly from 1916 to 1925 as a Liberal member.
He was born in Port George, Annapolis County, Nova Scotia, the son of Ainsley Elliott and Isabella Williams.
In 1907, he married Ella Maude Chipman (February 9, 1880 – April 8, 1967), the daughter of Frederick Miles Chipman and Annie Sibella Fisher.
Elliott served on the municipal council for Annapolis County.