Anthony Hugh Leigh Trimmer is a British former racing driver from England, who won the Shell British Formula Three Championship and E.R. Hall Trophy in 1970. He was born in Maidenhead, Berkshire.

The Formula One Monaco Grand Prix has had a support race in many of its editions, the longest running of which was the Monaco Grand Prix Formula Three, held each year from 1964 to 1997, and again in 2005. It replaced the Monaco Grand Prix Formula Junior. The Formula Three race was replaced by Formula 3000 for 1998, which would then become the GP2 Series and then the Formula 2.