Whom redirects here. For the radio station on Mount Washington, New Hampshire with the callsign resembling this word, see WHOM. The pronoun who, in English, is an interrogative pronoun and a relative pronoun, used chiefly to refer to humans. Its derived forms include whom, an objective form the use of which is now generally confined to formal English; the possessive form whose; and the emphatic form whoever (also whosoever and whom(so)ever; see also -ever).