The Diocese of Halifax is a Roman Catholic diocese located in Nova Scotia, Canada. Established in 1749, it serves the spiritual needs of Catholics in the region and is part of the larger ecclesiastical province of Halifax-Yarmouth. The diocese is responsible for various parishes, schools, and community services. The diocese is led by a bishop, who oversees the administration and pastoral care of the Catholic community. The current bishop is Bishop Brian Dunn, who has been in office since 2010. The diocese also engages in various outreach programs to support local communities and promote social justice.