Peter Katholos (Greek: Πέτρος Κάθολος; born 18 March 1961) is an Australian former soccer player. He was a member of the Socceroos, Australia's national soccer team, throughout the 1980s during which time he made 22 international appearances (14 ' A-matches'), scoring two goals. He is best known for his time as a midfielder with Sydney Olympic and later Marconi in the Australian National Soccer League, although he also played for the Greek team Larissa at one stage. Katholos emigrated from Greece to Australia with his parents as a nine-year-old.