Matteo Mancosu (born 22 December 1984) is an Italian footballer who plays for Virtus Entella as a forward. A right-footed player, although he is usually deployed in the centre as a main striker, he is also capable of playing as a winger on either flank.
Born in Cagliari, Sardinia, Mancosu played in the youth team of the Scuola Calcio Johannes of Cagliari, and while he was not able to pass any of several trials with Cagliari, the main Sardinian football team, he managed to break into the squad of the Atletico Elmas in Serie D. Mancosu played 4 seasons in Serie D with Atletico Elmas, which was renamed Atletico Calcio in 2002, scoring 7 goals in 73 matches.
Mancosu moved down in Eccellenza in November 2004, to play with Nuorese. In his first year, he contributed to the promotion of the Sardinian club scoring 14 goals in 31 matches. He also played for Nuorese in Serie D the next season, scoring 6 goals in 23 matches.