Dalkey (disambiguation)

Dalkey may refer to:
 * Dalkey Island off the coast of Ireland
 * Dalkey, a suburb of Dublin in Ireland named for the island
 * Dalkey Atmospheric Railway (1843-1854)
 * Dalkey railway station (1854-1964)
 * Dalkey Hill overlooks the village
 * Dalkey Quarry, disuse granite quarry (1815-1917)
 * Dalkey School Project, a multidenominational school established in 1978 at Glenageary in Ireland
 * Dalkey Book Festival, annual literature festival held in Dalkey, Ireland since 2010
 * Hundred of Dalkey, a cadastral unit in South Australia, named after the Irish village
 * Dalkey, South Australia, a locality named after the Hundred
 * District Council of Dalkey (1875-1932)
 * Dalkey Archive Press, American publisher founded in 1984
 * The Dalkey Archive, 1964 novel by Irish writer Flann O'Brien