Derek O'Brien
About
Derek O'Brien may refer to:Derek O'Brien (drummer), American drummer for punk bands Social Distortion, D.I. and The Adolescents
Derek O'Brien, Irish player for Boston Utd, Bohemians, Dundalk, Shamrock Rovers, Athlone Town, Longford Town & Home Farm
Derek O'Brien, Irish footballer
Derek O'Brien (politician), Indian politician, author, television personality, public speaker and quiz show host