Cruachan

Cruachan may refer to:

Ireland

 * Cruachan, Ireland, the ancient capital of the kingdom of Connachta in Ireland
 * Croaghaun, a mountain on Achill island, County Mayo (Irish name: Cruachán)
 * Cruachan (band), an Irish Celtic metal band

Scotland

 * Ben Cruachan, a Scottish mountain
 * Cruachan Dam A hydropower station at Ben Cruachan
 * Cruachan, the name of a Shetland pony as mascot of the Argyll and Sutherland Highlanders (now of the Royal Regiment of Scotland)
 * Cruachan! is the battle cry for Highland clans Campbell and MacIntyre