Robert N. Cox (October 12, 1850 – April 19, 1934) was a merchant and political figure on Prince Edward Island.
He represented 2nd Kings in the Legislative Assembly of Prince Edward Island from 1908 to 1911 and from 1920 to 1923 as a Liberal.
He was born in Charlottetown, the son of John Benjamin Cox, a native of Newfoundland.
Cox was also involved in lobster packing, fox ranching, potato starch manufacturing and farming.
This article about a Prince Edward Island politician is a stub.