Yes, an atheist or an individual of any non-LDS religious background can technically apply, be accepted, and attend Brigham Young University. However, all students—regardless of their personal faith or lack thereof—are strictly required to live by the university's Honor Code, which mandates ecclesiastical endorsement from a religious leader, regular attendance at worship services (though non-LDS students can sometimes fulfill this through their own faith traditions with approval), and adherence to strict behavioral, grooming, and lifestyle standards set by the institution.