Onny Parun is a former tennis player of Croatian descent from New Zealand, who was among the world's top 20 for five years. Parun made the final of the Australian Open in 1973, losing to John Newcombe in four sets. He was also a quarterfinalist at Wimbledon in 1971 and 1972, the US Open in 1973, and the French Open in 1975. Parun eventually went on to coach the Bhatti brothers.