Grian may refer to the following:
Geography Lough Graney, a lake in County Clare, Ireland River Graney, a river in County Clare, Ireland
People Grian Chatten (born 19 July 1995), an Irish musician Grian (YouTuber), a British Minecraft YouTuber
Mythology Grian (literally meaning "Sun"), a pre-Christian Irish goddess
Structures and settlements An Grianán Theatre, the largest theatre in County Donegal, Ireland Grianan of Aileach, a hillfort in County Donegal, Ireland Griante, a comune in Lombardy, Italy Tuamgraney (literally meaning "Tomb of Grian"), a village in County Clare, Ireland Pallasgreen (literally meaning "Stockade of Grian"), a village in County Limerick, Ireland.
Other uses Gráinne (given name) Deò-ghrèine (disambiguation)