Leo Lyons
 Leo Lyons (born David William Lyons 30 November 1943) is an English rock musician who was also the bassist of the British rock group Ten Years After.Lyons was born in Mansfield Nottinghamshire England. He first played with lead guitarist Alvin Lee in The Jaybirds. In 1967 there was a name change to Ten Years After. With this group Lyons played at major rock festivals including Woodstock in 1969 and the Isle of Wight Festival on 29 August 1970.