Ralph Brecken (1770 – July 1, 1813) was a merchant and political figure in Prince Edward Island.
He represented Queens County in the Legislative Assembly of Prince Edward Island He was born in England, the son of John Brecken, an early member of the provincial assembly.
Brecken married Matilda, the daughter of Joseph Robinson.
His son John also served in the provincial assembly and his grandson Frederick de St Croix Brecken was a member of the assembly and also served in the Canadian House of Commons.
Several of his daughters married members of the Legislative Council: This article about a Prince Edward Island politician is a stub.