Kimolos (Greek: Κίμωλος; Capital town: Chorio Kimolou, Port: Psathi, Highest point: Mount Paleokastro) is a Greek island in the Aegean Sea, belonging to the islands group of Cyclades, located near the island of Milos. It is a middle class, rural island, not included in the tourist hotspots. Kimolos is the administrative center of the municipality of Kimolos which includes the uninhabited islands of Polyaigos, Agios Efstathios and Agios Georgios with total population of 769 inhabitants in 2001.

Kimolos has rich history. Its name comes from Kimolos, the first resident of the island. Echinousa is another name during the ancient times, probably because of the snake Echidna (viper) being common even today on the island. In the ancient era, it was a battlefield between Ancient Athens, the ruler of the island, and Sparta, the ruler of Milos. In the Middle Ages it was known as Argentiera (Αρτζεντιέρα), because of the silver-colored rocky lands of its southern coast. Since those times, these rocky lands was a trade good in the seas (Kimolia Gi-Kimolian Earth), making the island a major trade hub.