Rangsang is an island of the Meranti Islands Regency of Riau Province in the Strait of Malacca, Sumatra, Indonesia. Administratively, it consists of the three districts (kecamatan) of Rangsang, Rangsang Pesisir (Coastal Rangsang) and Rangsang Barat (West Rangsang). The island had a population of 51,452 at the 2010 Census and 58,464 at the 2020 Census;[1] the official estimate as at mid 2023 was 60,900.[2] It is just north of Tebing Tinggi Island, about south-west of Great Karimun island and west of Kundur Island.
The island measures . An Indonesian Navy warship is named after the island (KRI Pulau Rangsang)