Arwen is a character from The Lord of the Rings.
Arwen may also refer to: "Arwen", a track on the 2013 album Crown Electric by Kathryn Williams Arwen Colles, an area of hills on Titan, the largest moon of the planet Saturn Storm Arwen, a 2021–22 European windstorm
See also ARWEN 37 and ARWEN ACE, two models of a less-lethal weapon Arwyn, the equivalent masculine, Welsh given name, and people so named