Bill Lomas was an English Grand Prix motorcycle road racer. He was a two-time World Champion and a two-time Isle of Man TT winner. He won the 1955 and 1956 350cc world championship as a member of the Moto Guzzi factory racing team. In the 1956 season, he rode the famous V8 Moto Guzzi Grand Prix race bike. Lomas was also an accomplished trials rider.

The Isle of Man TT or Tourist Trophy races are an annual motorcycle racing event run on the Isle of Man in May and June of most years since its inaugural race in 1907. The event begins on the UK Spring Bank Holiday at the end of May and runs for thirteen days. It is often called one of the most dangerous racing events in the world as many competitors have died.