Andrea Montanari (born 10 August 1965) is a retired Italian sprinter who specialized in the 400 metres.

He won one medal, at senior level, at the International athletics competitions.

[1] He finished fourth in the 4x400 m relay at the 1990 European Championships, with teammates Vito Petrella, Roberto Ribaud and Andrea Nuti.

His personal best time is 46.16 seconds, achieved in August 1993 in Bologna.

[3] Andrea Montanari has won one time the individual national championship.