Teluk Dalam () is an administrative district () of the Simeulue Regency on Simeulue island in the Indonesian province of Aceh. At the 2010 Census it had a total population of 5,091 people,Biro Pusat Statistik, Jakarta, 2011. which by mid 2023 had increased to 5,709.Badan Pusat Statistik, Jakarta, 28 February 2024, Kabupaten Simeulue Dalam Angka 2024 (Katalog-BPS 1102001.1109)
Administrative divisions Teluk Dalam is divided administratively into 10 :
Babussalam Bulu Hadik Gunung Putih Kuala Bakti Kuala Baru Luan Balu Lugu Sebahak Muara Aman Sambay Tanjung Raya
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