Most uses of Xavier are directly or indirectly derived from St. Francis Xavier and are therefore likely to have a Catholic connotation. It may refer to:
The given name Xavier,
The surname Xavier,
Educational institutions edit:
Xavier, a list of notable schools named after St. Francis Xavier, see List of schools named after Francis Xavier.
Fiction edit:
Xavier: Renegade Angel, animated television series,
Xavier Institute for Higher Learning, fictional school based at the X-Mansion,
Professor X, (real name Charles Xavier), fictional Marvel Comics character,
Music edit:
"Xavier", a song by Dead Can Dance from the album Within the Realm of a Dying Sun