Leonard John "Len" Diett (1939-2018) was a cross code player who represented Australia in Rugby Union and also played rugby league for North Sydney in the NSWRL competition.
In 1959, Diett was selected to play for Australia rugby union side and became the second youngest person to achieve this honour.
In 1962, Diett decided to switch codes and joined NSWRL team North Sydney.
In 1964, Diett was selected to play for New South Wales and featured in one game.
In the finals series, Diett featured in both games against South Sydney and St George which both ended in defeat.