巨济市（朝鲜语：거제시）是韩国庆尚南道南部的一个市，由巨济岛及其附属岛屿组成。面积401.63平方公里，2009年人口229,500人。下分9面、10洞。

677年设裳郡。757年时易名巨济郡。1914年撤郡，1953年复设。1995年设市。

Geoje is a city located in South Gyeongsang province, just off the coast of the port city of Busan, South Korea. Daewoo Shipbuilding & Marine Engineering (former Daewoo Shipyard) in Okpo and Samsung Heavy Industries (SHI) in Gohyeon are both located on Geoje Island. The city also offers a wide range of tourist sights. The city is made up of a number of islands, of which by far the largest is Geoje Island. There are multiple dong in the city: Jangpyeongdong, Okpo-dong and Gohyeon.