Cowan is a surname. It is an anglicized form of the old Scottish Gaelic MacEoghain or MacEoin. Irish variants include MacOwen, MacCown, MacCone, MacKeown.
Notable people with the surname include:
Andrew Cowan, former rally driver and rally team directorBarry Cowan (broadcaster), journalist and broadcasterBarry Cowan (tennis), former tennis playerCathy A. Cowan, American economist and social scientistCharles Cowan (1801–1889), Scottish politician and papermakerCharles Cowan (cricketer) (1883–1958), Welsh-born English cricketer and naval officerClyde Cowan, co-discoverer of the neutrinoDarcy Rivers Warren Cowan, Australian medical practitionerDavid Tennant Cowan, British World War II general known as "Punch" CowanDenys Cowan, American comic book artist and television producerEd Cowan, Australian cricketerEdith Cowan, first female member of an Australian parliamentElliot Cowan, actorErnest Cowan, Western Australian politicianGlenn Cowan, American Table tennis player, involved in Ping Pong DiplomacyHendy Cowan, Western Australian politicianHenry Cowan, British politicianHugh Cowan, a former Canadian church minister, historian, author and editorJames Alexander Cowan, son of Hugh Cowan, was a Canadian writer and a well known public relations consultantJames Cowan (author), Australian authorJames Cowan (South Australian politician)Jeff Cowan, ice hockey playerJerome Cowan, actorJoe Cowan, American football playerJohn Cowan, American soul music and progressive bluegrass vocalist and bass guitar playerJohn Cowan (RAN officer), Australian navy officerJohn Cowan (sheriff), Lord Mayor of LondonJohn Cowan (South Australian politician)John Lancelot Cowan, South Australian politicianJohn Macqueen Cowan (1892-1960), Scottish botanistMichael Cowan (born 1933), English cricketerNelson Cowan, American researcher in psychology, specialized in working memoryPatrick Cowan, American football playerPhilip R. CowanRalph Cowan (politician) (1902–1990), Canadian politicianRalph Cowan (cricketer) (born 1960), English cricketerRalph Cowan (footballer), Scottish footballerReed Cowan, American journalistRichard Cowan (bass-baritone) (1957–2015), American operatic bass-baritoneRichard Cowan (cannabis activist), a leader of NORML and proponent of the decriminalization of marijuanaRichard Cowan (soldier), posthumous recipient of the Medal of HonorRobert Cowan, Governor of Bombay from 1729 to 1734Samuel Cowan (born 1941), British generalThomas Cowan (South Australian politician)Thomas F. Cowan, New Jersey State Senator and AssemblymanTim Cowan, American football playerTom Cowan (born 1969), Scottish footballerTom Cowan (filmmaker) (born 1942), Australian filmmakerWalter Cowan (1871–1956), Royal Navy admiral who saw service in both WWI and WWIIWilliam "Mo" Cowan (born 1969), U.S. Senator from Massachusetts