Carlos Javier Matheu is an Argentine football player who currently features for the Italian Serie A club Cagliari. He plays as a defender.
Carlos Matheu commenced his professional club football career at Argentine club Independiente ain 2004 and played for them for four years, scoring five goals in 58 league matches. At Independiente he established himself as a strong defender.
In 2008 he was signed by Cagliari.