Flavius is a Romanian masculine given name. Notable persons with that name include:
Flavius Băd (born 1983), Romanian football player Flavius Boroncoi (born 1976), Romanian football player and manager Flavius Daniliuc (born 2001), Austrian football player Flavius Domide (1946–2025), Romanian football player Flavius Iacob (born 2000), Romanian football player Flavius Koczi (born 1987), Romanian artistic gymnast Flavius Moldovan (born 1976), Romanian football player Flavius Pogăcean (born 1974), Romanian football player Flavius Stoican (born 1976), Romanian football manager
See also Lucius Caesetius Flavus (first century BC), Roman politician, appears as Flavius in Julius Caesar Operation Flavius, a 1988 British military operation in Gibraltar Flavius L. Brooke (1858–1921), American judge