John Peter Riordan (1936 – 10 August 2021) was a New Zealand jockey in Thoroughbred horse racing.
[1][2] He began his five-year jockey apprenticeship with Te Awamutu trainer Jack MacDonald when he was 11 years old, and rode his first winner at the age of 14.
[1] Riordan won the 1963 W. S. Cox Plate aboard Summer Regent.
[1] Riordan lived in Brisbane, Australia, for the last 20 years of his life, and died there on 10 August 2021.
This biographical article related to New Zealand equestrianism is a stub.