Jack Denham (24 August 1924 – 14 December 2009) was a leading Australian horse trainer and businessman.A member of a Sydney training dynasty, Denham first rode as a jockey for his brother, and then took out his own training licence in 1948.Denham’s training career took off when he became trainer for Stan Fox at Nebo Lodge, a position he held for 10 years, training over 1,000 winners. For six successive years, from 1971 to 1976, he was runner-up on the Sydney trainers’ premiership table.