Charles Mariano Aránguiz Sandoval (Spanish pronunciation: ; born 17 April 1989) is a Chilean professional footballer who plays as a midfielder for German club Bayer Leverkusen and the Chile national team.
With his former club Universidad de Chile, Aránguiz was considered one of the best midfielders in the Chilean Primera División, with a good sense of tactics, impressive stamina and intelligent playmaking, marking and passing abilities. He can play as a defensive, center or even as a right wing midfielder. He is described by FIFA's official website as "a crafty, tigerish midfielder of the highest order, notable for his ability to win and distribute the ball, pick out passes and hit the back of the net".
Aránguiz was born in Puente Alto in Diego Portales neighborhood. His mother, Mariana Sandoval, is a football coach. He started to play football in Universidad de Chile before leaving the club to join Cobreloa Academy when he was 13 years old.