Sigli is a town in Aceh province of Indonesia and the seat (capital) of Pidie Regency. Sigli is located 112 kilometers to the south of the capital of Aceh province, Banda Aceh. The town itself (Kota Sigli) covers 6.56 km<sup>2</sup> and had 21,223 residents in mid 2025, but the urban area includes the surrounding Pidie District which has an additional area of 26.09 km<sup>2</sup> with 47,764 residents in mid 2025.
PSAP Sigli is the football club from Sigli.
Sigli has a tropical monsoon climate (Am) with moderate rainfall from February to September and heavy rainfall from October to January.