Ogwen may refer to:
Places Ogwen (electoral ward), covering the village of Bethesda in Gwynedd, Wales Afon Ogwen, a river in Gwynedd, Wales Llyn Ogwen, its source Dyffryn Ogwen or Ogwen Valley, its valley Ogwen Cottage, an outdoor education centre by Llyn Ogwen Ogwen Group, an Ordovician lithostratigraphic group in Gwynedd, north-west Wales Ogwen Rural District, a former rural district in Caernarfonshire, Wales from 1894 to 1974
People John Ogwen, Welsh actor