Ida L. Castro (born 1953) is an American attorney and government official who served as Chair of the Equal Employment Opportunity Commission (EEOC) from October 23, 1998, to August 13, 2001.

She also served at United States Department of Labor as deputy assistant secretary and director of the Office of Workers' Compensation Programs from 1994 to 1996.

Castro, representing the New Jersey Public Advocate's Office was a member of the litigation team on the Abbott v. Burke case.

[4] After leaving the Clinton Administration, Castro served as Commissioner of the New Jersey Civil Service Commission from 2002 through 2004, appointed by Governor Jim McGreevey.

[6] Castro serves on the Scranton Area Community Foundation Board and chairs their Human Resources Committee.