Radøy or Radoy may refer to:
Places Radøy (island), an island in Alver Municipality in Vestland county, Norway Radøy Municipality, a former municipality in the old Hordaland county, Norway Radoy Ralin Peak, a peak in the Levski Ridge on Livingston Island in the South Shetland Islands, Antarctica
People Radoy Ralin (1922-2004), a Bulgarian dissident, poet, and satirist Radoy Minkovski (born 1954), a Bulgarian football coach