St. Catherine of Siena Parish School may refer to a number of Catholic schools:
- Saint Catherine of Siena Parish School, Laguna Beach, California, part of the Roman Catholic Diocese of Orange
- Saint Catherine of Siena Parish School, Reseda, California, part of the Roman Catholic Archdiocese of Los Angeles
- Saint Catherine of Siena Parish School, Wake Forest, North Carolina, part of the Roman Catholic Diocese of Raleigh
- Saint Catherine of Siena Parish School, Cedar Grove, New Jersey, part of the Roman Catholic Archdiocese of Newark