Cristiano Andrei (born 14 May 1973) is a former Italian discus thrower.
His personal bests, 64.49 m set in 2003, at the end of the 2020 outdoor season is still the 8th best all-time performance of the Italian lists and in that year it was also the 22nd best result in the world top-lists.
Nephew of the Olympic shot put champion in Los Angeles 1984, Alessandro Andrei, in 2005 he married the former hammer thrower Ester Balassini.
Andrei won five national championships at individual senior level.