Nicolás Arnaldo Núñez Rojas, nicknamed Nico, (born 12 September 1984) is a Chilean football manager and former player who played as a midfielder. He is the current manager of Magallanes. Núñez began his career with Universidad Católica in 2001, and subsequently played for Albacete Balompié in 2006 and Everton de Viña del Mar in 2007.