John James Miller[1] (born 28 April 1933 in Fremantle, Western Australia) is a former champion jockey and horse trainer.
He rode winners in six Australian Derbys, and returning to Western Australia, two Perth Cups and a Railway Stakes.
In the 1987 Perth Cup, his Laurie Connell owned mount Rocket Racer won the race by nine lengths in controversial circumstances.
His two sons Mark and Shane as well as his wife Kay Miller are all well-known Western Australian horse racing identities.
[5] In October 2007 Miller faced being sued by estranged son Mark over a land deal in Baldivis, Western Australia.