Jeffrey Robert Thomson is a former Australian cricketer. Known as "Thommo", he is one of the fastest bowlers in the history of cricket; he bowled a delivery with a speed of 160.6 km/h against the West Indies in Perth in 1975, which was the fastest recorded delivery at the time, and the fourth-fastest recorded delivery of all time. He was a part of the Australian squad which finished as runners-up at the 1975 Cricket World Cup.

The 1975 Cricket World Cup was the inaugural men's Cricket World Cup, and the first major tournament in the history of One Day International (ODI) cricket. Organised by the International Cricket Conference (ICC), it took place in England between 7 June and 21 June 1975.