Cruachan may refer to: Cruachan, Ireland, the ancient capital of the kingdom of Connachta in Ireland Cruachan (band), an Irish Celtic metal band 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