Costello (politician) (born 1945), Irish Labour Party politician John Costello (baseball) (born 1960), American baseball pitcher John Costello (historian) (1943–1995), British historian John Costello (Medal of Honor recipient) (1850–?), U.S. Navy sailor and Medal of Honor recipient John Costello (pastoralist) (1838–1923), Australian pastoralist John A. Costello (1891–1976), Taoiseach of Ireland John M. Costello (1903–1976), U.S. Representative from California Joseph Costello (electronic design automation) (born 1953), American computer scientist Joseph Arthur Costello (1915–1978), American Catholic bishop Larry Costello (1931–2001), American professional basketball coach Les Costello (1928–2002), Canadian ice hockey player and Catholic priest Lou Costello (1906–1959), Italian-American actor and comedian (born Louis Francis Cristillo), part of Abbott and Costello Louis B. Costello (1876–1959), American businessman and newspaper editor Louisa Stuart Costello (1799–1870), British author and poet Mark Costello (disambiguation), several people Matt Costello (born 1993), basketball player Matthew J. Costello (born 1948), American science fiction author Maurice Costello (1877–1950), American stage and screen actor Michael Costello (fashion designer), American fashion designer Michael Costello (public servant), ex-chief of staff to Australian politician Kim Beazley Michael A. Costello (born 1965), State Representative for the Massachusetts House of Representatives Michael Copps Costello (1875–1936), Canadian politician Mike Costello, British sports broadcaster Michael Joe Costello (1904–1986), Irish Army general Murray Costello, Canadian member of the Hockey Hall of Fame Nigel Costello (born 1968), English professional footballer Paul Costello, American rower and Olympic medalist Peter Costello, Australian politician Peter Costello, Canadian Artist Robert Costello (19212014), American TV and film producer, writer, and director Ryan Anthony Costello (born 1976), American attorney and politician Ryan Christopher Costello (19962019), American baseball player Seamus Costello, Irish politician, and member of the Irish Republican Army Sean Costello, American blues musician Stephen Costello, American opera tenor Sue Costello American comedian and actress Tim Costello, Australian Baptist minister and author Thomas Joseph Costello (1929–2019), American Roman Catholic bishop Victor Costello, Irish rugby union player Vince Costello (1932–2019), American football player Ward Costello, American actor Fictional characters with the surname Charlie Costello, one of the several psychopaths in the film Seven Psychopaths, portrayed by actor Woody Harrelson Ermes Costello, side character in the manga JoJo's Bizarre Adventure Part 6: Stone Ocean. Esther Costello, the deaf mute title character of the film The Story of Esther Costello, portrayed by actress Heather Sears Frank Costello, the antagonist of the film The Departed, portrayed by actor Jack Nicholson Frank "Punch" Costello, the "most drunken" character in chapter 14,