Brian O'Neill

Brian O'Neill may refer to:

Brian O'Neill (1574), chief of the O'Neills of Clanaboy, surrendering his title to Sir Philip Sidney for a knighthood in 1567
Brian O'Neill (ice hockey b. 1929), Canadian executive within the National Hockey League
Brian O'Neill (ice hockey b. 1988), American ice hockey player
Brian O'Neill (superintendent), (1941–2009), American superintendent of the Golden Gate National Recreation Area
Brian Ua Néill (died 1260), High King of Ireland

See also