David O'Brien
Introduction '''Dave''', '''Davey''' or '''David O'Brien''' may refer to:
Sportsmen *Davey O'Brien (1917–1977), American football quarterback*Dave O'Brien (athletic director) (1956–2014), American collegiate professor at Long Beach, Temple and Northeastern*David O'Brien (racehorse trainer), Irish racehorse trainer during 1970s and 1980s*Dave O'Brien (sportscaster) (born 1963), American sportscaster*David O'Brien (sailor) (born 1965), Irish yacht racer in 2000 Summer Olympics*David O'Brien (swimmer) (born 1983), English freestyle in 2004 Summer Olympics*David O'Brien (footballer) (born 1984), Scottish left-sided midfielder*Dave O'Brien (American football), American football player
Others *Dave O'Brien (actor) (1912–1969), American film and TV performer, director and writer*David Wright O'Brien (1918–1944), American fantasy and science fiction writer*David O'Brien (actor) (1937–1989), American performer in daytime dramas*David P. O'Brien, Canadian business executive since 1980s*David O'Brien (politician) (born 1970), Australian politician from VictoriaDavid O'Brien (Politician)