Sergio Melta (born 16 March 1954), is a former Australian footballer, who had an extensive career in Australia's National Soccer League, spent entirely with Adelaide City. He won the NSL's player of the year award in 1984. His only first class international appearance was in 1986. He also took over head coaching role of West Torrens Birkalla in the FFSA Premier League. On 5 February 2013 he was appointed as assistant coach for A-League club Adelaide United.