Columban College (Filipino: Dalubhasaang Columban) is a Catholic basic and higher education institution run by the Roman Catholic Diocese of Iba in Olongapo City, Zambales, Philippines.

It is dedicated to serve the educational needs of the city of Olongapo and the provinces of Zambales and Bataan.

The institution was first known as Naval Reservation Junior College during the 1950s when it was operated by the Joben Admana family.

In 1961 administration of the school was passed on by the Joben Admana Family to the Columban Fathers.

Columban Sisters were assigned in 1962 to assist in the administrative and teaching workloads in the school.

In 1993, the Roman Catholic Diocese of Iba took over the operation of Columban College.

Most Reverend Deogracias Iniquez Jr. bishop of the Diocese of Iba, as head of the diocesan schools, took over the administration of Columban College.

Raymann G. Catindig was assigned as school president on June 17, 2020.

Across it is St. Columban's motto: "Christi Simus Non Nostri" or "We are Christ's Not Our Own."

The cross represents Jesus Christ, the Son of God, who is the foundation of Christian Life.