Ernest William Lyons (5 March 1914 – 7 February 2014) was a motorcycle racer from Ireland who entered selected Grands Prix.

[2][3] Their race bike's engine used lightweight aluminium components from a Triumph stationary-engine used for various wartime needs during World War II, including use on Halifax bombers for generator sets, and was also ridden by David Whitworth.

[4] His winning motorcycle would become the prototype for the Triumph Grand Prix in 1948.

[5] After road racing he was active as a competitive moto crosser.

[6] Lyons died in February 2014 aged 99 at a nursing home in Kill, County Kildare, Ireland.