Guillermo Miguel Ardiman Ramírez (born 10 June 1967) is a Chilean football manager and former player who played as a defender.

He served as a right back at Deportes Concepción, and as a central defender at O'Higgins, Universidad Católica, Santiago Wanderers, Coquimbo Unido, Deportes Iquique and Fernández Vial.

[1] With Universidad Católica he won the international title of the Copa Interamericana in 1993, scoring a goal in extra time in the final.

He was a member of the Chile squad that won the silver medal in the 1987 Pan American Games.

This biographical article related to Chilean football is a stub.