Rafael Andrés Olarra Guerrero (born May 26, 1978 in Santiago, Chile) is a footballer. He plays as a defender, currently in Audax Italiano.
Olarra began his career in Audax Italiano. He then spent time with Universidad de Chile, where he made a name for himself and began to play for the national team.
After a transfer to the club from Club Deportivo Universidad Católica at the beginning of the 2005-06 season, Olarra established himself as a force to be reckoned with in Maccabi's defence. Olarra made his international debut on January 31, 1998, against Iran.