- Source: William McGonagle (disambiguation)
William McGonagle (1925–1999) was a United States Navy officer.
William McGonagle may also refer to:
William A. McGonacle (fireboat), a fireboat in Duluth, Minnesota
SS William A McGonagle, a 1916 lake freighter; see 600-footers
William McGonagle (footballer) (1905–1956), Scottish footballer