Teampull na Trionaid (Temple of the Trinity) is a ruined medieval nunnery on North Uist, one of the Outer Hebrides in Scotland. The nunnery was constructed in the 13th century and is now a ruin, but significant features remain, including stone walls that hint at its original grandeur. Its layout includes a rectangular nave and chancel. Surrounding the church is a graveyard, with many old and weathered gravestones.