Kilcoyne is a surname found in Ireland and the United States. Notable people with this surname include:Brendan Kilcoyne, an Irish football manager and former player Dave Kilcoyne, an Irish rugby union player David Kilcoyne (hurler), an Irish hurler Elizabeth Kilcoyne, an American fiction writer Francis Kilcoyne, an American professor of English, college president, and Catholic priest Jack Kilcoyne, a former bass player in the American band Mushroomhead from 1993 to 1996 Martin Kilcoyne, an American sports anchor Meghan Kilcoyne, an American state politician for Massachusetts