Thomas Colin Percival (28 March 1943 – 20 August 1984) was a British powerboat racer.

He began his powerboat racing career in 1964, and won the Formula 1 (OZ) championship in 1978.

[3] Percival died in an accident during the 7th round of the 1984 F1 Powerboat World Championship in Liège, Belgium.

After he collided with another boat, Percival, who had received severe head injuries was taken to Liège Hospital, but then lapsed into a coma and died some hours later on Monday morning.

He was married to Gilly, and they had a son, Guy, and a daughter, Katie, aged 16 and 14 respectively at the time of his death.