Richard Brown (born 22 May 1945), better known by his stage name of Ricky Fenson and also known as Rick Brown, is a British bass guitarist.

Fenson briefly played with an early version of the Rolling Stones before he was replaced by Bill Wyman in their long-standing classic line-up.

He appeared with the band in 1962 and 1963 with fellow Screaming Lord Sutch and the Savages and Cyril Davies' All Stars band members Carlo Little and Nicky Hopkins, including a gig at Sidcup Art College, Bexley, which Keith Richards attended.

Fenson was also a member of the bands Brian Auger and the Trinity and Steampacket.

[1] fellow Screaming Lord Sutch and the Savages and Cyril Davies' All Stars.