John Leahy

John Leahy is the name of:


 * Australia
 * John Leahy (footballer) (1941–1980), Australian rules footballer
 * John Leahy (Australian politician) (1854–1909), Australian Conservative politician, 1893–1909
 * Ireland
 * John Leahy (hurler) (born 1969), former Irish hurler
 * John Patrick Kenneth Leahy (1907–1963), Irish Roman Catholic priest
 * Johnny Leahy (1890–1949), Irish hurler
 * John Leahy (Irish politician), Leader of Renua Ireland
 * United Kingdom
 * John Leahy (diplomat) (1928–2015), former senior British diplomat
 * United States of America
 * John Leahy (executive) (born 1950), American executive at Airbus
 * John E. Leahy (1842–1915), American politician
 * John Martin Leahy (1886–1967), American short story writer, novelist and artist