Miklós József "Jackie" Orszáczky (8 May 1948, Budapest, Hungary – 3 February 2008, Sydney, Australia) was a Hungarian-Australian musician, arranger, vocalist and record producer. His musical styles included jazz, blues, R&B, funk and progressive rock; he mainly played bass guitar – from the early 1990s he used a modified piccolo bass – but also various other instruments. In 2006 Orszaczky was awarded the Knight's Cross of the Order of Merit by the Hungarian government. Also that year Orszaczky was diagnosed with Hodgkin's lymphoma and died on 3 February 2008, aged 59.