Peggy Fletcher Stack is an American journalist, editor, and author. Stack has been the lead religion writer for The Salt Lake Tribune since 1991. She and five other journalists at the Salt Lake Tribune won the 2017 Pulitzer Prize for Local Reporting. She won the Cornell Award for Excellence in Religion Reporting—Mid-sized Newspapers from the Religious News Association in 2004, 2012, 2017, 2018, and 2022.