Tembilahan (Jawi:تمبيلاهن ) is a town and district of Indragiri Hilir Regency, in the Riau province of Indonesia. It is also the capital of the regency. Tembilahan District has an area of 162.14 km2, consisting of 8 villages (all classed as urban kelurahan). Tembilahan's population at the 2020 Census was 77,862, rising to 82,291 according to the official estimates for mid 2023.[1]