Komodo is one of the 17,508 islands that comprise the Republic of Indonesia. It is particularly notable as the habitat of the Komodo dragon, the largest lizard on Earth, which is named after the island. Komodo Island has a surface area of 291 square kilometres, and had a human population of about 1,800 in 2020.

Komodo is part of the Lesser Sunda chain of islands and forms part of the Komodo National Park. It is a popular destination for diving. Administratively, it is part of the Komodo District (which also includes Rinca Island and numerous other islands off the west coast of Flores, together with part of the western portion of Flores itself), forming part of West Manggarai Regency within the province of East Nusa Tenggara.

In 1991 Komodo island was include on the Komodo National Park was declared a UNESCO World Heritage Site and a Man and Biosphere Reserve. It is considered one of the world's 25 biodiversity hotspots. It has also has been selected as one of the New 7 Wonders of Nature. The waters surrounding Komodo island contain rich marine biodiversity. Komodo islands is also a part of the Coral Triangle, which contains some of the richest marine biodiversity on Earth.