Brian O'Neil may refer to:
*
Brian E. O'Neil (1921–1985), American philosopher
*
Brian O'Neil (footballer, born 1972), Scottish former footballer who played for Celtic, Aberdeen, Wolfsburg, Derby County and Preston North End
*
Brian O'Neil (footballer, born 1944), English former footballer who played for Burnley, Southampton and Huddersfield Town
See also
*
Brian O'Neal (born 1970), American football player
*
Brian O'Neill (disambiguation) Brian O'Neill may refer to:
Arts and entertainment
*Brian D. O'Neill (born 1949), American author and attorney
*Brian O'Neill (journalist) (c. 1900–1975), English and Irish journalist and author
*Brian O'Neill, fictional Irish gangster in ''Mafia ...
*
Bryan O'Neil (1905–1954), British archaeologist
{{human name disambiguation, Oneil, Brian