Gayo Lues Regency is a regency in the Aceh Special Region of Indonesia. It is located on the island of Sumatra. The regency was created on 10 April 2002 under Statute UU 4/2002 from the northern part of Aceh Tenggara. Its capital is Blangkejeren. The regency covers an area of 5,549.91 square kilometres and had a population of 79,560 at the 2010 Census and 99,532 at the 2020 Census; the official estimate as at mid 2023 was 104,856.