John Costello

John Costello may refer to:

*John Costello (baseball) (born 1960), American baseball pitcher *John Costello (English footballer) (1890–1915), English footballer *John Costello (historian) (1943–1995), British military historian *John A. Costello (1891–1976), Taoiseach of Ireland *John M. Costello (1903–1976), U.S. Representative from California *John Costello (Medal of Honor) (1850–?), U.S. Navy sailor and Medal of Honor recipient *John Costello (pastoralist) (1838–1923), Australian pastoralist *John W. Costello (born 1927), American attorney and politician in Massachusetts *John Costello (Gaelic footballer), Gaelic football player from County Laois *John P. Costello (1947–2010), U.S. Army general Provided by Wikipedia