The Institute of Christ the King Sovereign Priest (, ) is a Roman Catholic society of apostolic life of pontifical right in communion with the Holy See of the Catholic Church. The institute has the stated goal of honoring God and the sanctification of priests in the service of the Catholic Church and souls. An integral part of the institute’s charism is the use of the traditional Latin liturgy of 1962 for Mass and the other sacraments. It has undertaken the restoration of a number of historic church buildings.