Benjamín Ignacio Ruiz Herrera (Spanish pronunciation: [be?xa'min ru'i?], born 21 August 1983) is a Chilean footballer that currently plays for the Primera B side Unión La Calera as a right back.
He began his career at powerhouse club Universidad Católica, joining then in 2001 to Audax Italiano, remaining there five seasons, until the coach Claudio Borghi called him for play at Colo-Colo, most successful club of the country, in where won the Torneo de Apertura, his first professional title.
Two seasons later, Benjamín earned with Everton, another honour in his career, under the orders of veteran head coach Nelson Acosta.