The Diocese of Pueblo is a Roman Catholic ecclesiastical territory in Colorado, United States. It covers six counties and has its seat in the city of Pueblo. Established on May 18, 1921, the diocese serves the spiritual needs of approximately 250,000 Catholics within its jurisdiction. The Diocese of Pueblo is a suffragan diocese in the ecclesiastical province of Denver and is led by Bishop Stephen J. Berg. It comprises 76 parishes, missions, and institutions, all under the pastoral care of the diocesan clergy and religious communities serving within its boundaries. The Diocese of Pueblo actively engages in various charitable, educational, and outreach programs to serve its diverse community.