Marco Vaccari (born 17 July 1966 in Milan) is a retired Italian sprinter who specialized in the 400 metres.

Vaccari won seven medals in international athletics competitions, six of these with national relays team.

[1] His personal best time is 45.47 seconds, achieved in June 1992 in Bologna.

[2] He participated at two editions of the Summer Olympics (1992 and 1996), he earned 36 caps with the national team from 1989 to 1999.

[3] He has won six individual national championship titles.