Aitor Ocio is a former Spanish footballer who played as a defender in the Athletic Club of the First Division of Spain.

He began his career in the team of his hometown, the Aurrerá de Vitoria. After this stage, he spent three seasons grown by Athletic Club to continue his training.

During his career he has been part of the SD Eibar, Albacete Balompié, Osasuna and Sevilla FC teams.

In 2007, Aitor returned to Athletic Club where he played for 5 seasons.

In June of 2012 Aitor Ocio said goodbye during a press conference of the team in which he had played seven seasons.