St. Paul VI Catholic High School (known as PVI) is a Roman Catholic college preparatory school in Chantilly, Virginia, United States. The school was previously located in southwest Fairfax, and is named after Pope Paul VI. In 2020 it relocated to Chantilly, Virginia. It competes in the Washington Catholic Athletic Conference and has a high-profile athletic rivalry with Bishop O'Connell High School in Arlington. In 2020, the high school relocated to the South Riding area in Loudoun County, amid the COVID-19 pandemic. The move had been planned prior to the pandemic.