Laghy or Laghey is a small village in County Donegal, Ireland, between Ballintra and Donegal Town.
Laghy is one of three villages that makes up the parish of Drumholm, formerly a Civil and Church of Ireland parish, now only used as a division of the Roman Catholic Diocese of Raphoe.
The village has a quarry, a supermarket, garden centre, filling station, two public houses, a church with a graveyard, an Orange Order hall, a recycling centre, a Donegal County Council yard and salt depot, and a national school (St Eunan's NS).
Laghy is also near two of the most scenic beaches in Ireland, namely Rossnowlagh and Murvagh. Murvagh is also the home to the Donegal Golf Club.