Paolo Piapan (born 31 August 1956, in Trieste) is a retired Italian triple jumper.
He finished fifth at the 1971 European Indoor Championships in Milan.
His personal best jump was 16.54 metres, achieved in May 1979 in Salsomaggiore. The Italian record currently belongs to Fabrizio Donato with 17.60 metres. He has 23 caps in national team from 1975 to 1986.
Paolo Piapan has won 5 times the individual national championship.