John Orchard FACSEP AM (born 1967) is an Australian sport and exercise medicine physician, notable for advocating for rule changes in sport to improve player safety. In 2020 he was awarded a Member of the Order of the Order of Australia for significant service to sports medicine, particularly cricket. He was a member of the Australian government advisory group for sport responding to COVID, representing professional sport as the Chief Medical Officer for Cricket Australia^[1] and was instrumental in cricket's response to COVID.^[2][3][4][5] During 2023, he worked as the General Medical Officer for Australia at the FIFA Women's World Cup.^[6]

He has worked as doctor for the Sydney Swans,^[7] Sydney Roosters, NSW State of Origin rugby league team,^[8] Sydney Sixers, Cricket NSW and the Australian cricket team.^[9]

An incident which led to some infamy was his on-field use of a staple gun to close a head laceration sustained by Michael De Vere during a rugby league State of Origin match .^{[10][11][12][13]}

He also was the doctor on the field who responded to Phillip Hughes when he was felled by a cricket ball during a match in 2014,^[14] an injury from which the player later died.

He is an academic (Adjunct Professor) at the University of Sydney^[30] and has published over 300 research papers with over 20000 citations,^[31] with high output of research into cricket injuries.^[32] He is a co-author on multiple International Olympic Committee consensus expert statements on preventing injuries in sport.^{[33][34][35][36]} He has campaigned for funding to better match evidence in the management of musculoskeletal injuries.^[37][38]

John Orchard developed a sports injury classification system in 1993 called OSICS. It has been used by multiple sports in Australia,^[39] Europe^[40] and the USA.^[41] In 2020, it was expanded to include further illness codes and adopted as one of two recommended systems by the International Olympic Committee.^[42]