Marco Mazza (born 25 June 1977) is an Italian long-distance runner who specializes in the 10,000 metres and half marathon.

His personal best time in the 10,000 metres is 27:44.05 minutes, achieved in April 2002 in Camaiore.

This places him ninth on the Italian all-time performers list, behind Salvatore Antibo, Francesco Panetta, Venanzio Ortis, Daniele Meucci, Alberto Cova, Franco Fava, Stefano Mei, Stefano Baldini.

[1] His personal best half marathon time is 60:24 minutes, achieved in April 2002 in Milan.