昌原市（朝鲜语：창원시），是大韩民国庆尚南道南部的一个城市，并且是庆尚南道的行政中心所在地。

庆尚南道首府打算从釜山迁移时，马山市与晋州市两地相争不下，故选定了当时空旷的第三地昌原，1977年开始大规模都市计划，1980年升格为市，1983年道厅正式搬迁。由于详尽的规划，使得该地成为生活机能便利完善的新兴都市。并且与邻近的马山市、镇海市共同构成一生活圈，并称「山海原」。

2010年7月1日，昌原市与马山市、镇海市合并，成立新的昌原市。其下分设五个区，分别为原属于旧昌原市的义昌区与城山区，原属马山市的马山会原区与马山合浦区，以及原属镇海市的镇海区。

Changwon is the capital city of Gyeongsangnam-do, South Korea. Changwon is the 8th most populated city in South Korea, with an established population of 1,089,039 people in 2010. It encompasses a land area of 747.12 square kilometres (288.46 sq mi) on the southeastern coast of South Korea. The population of southeastern Korea, including the city of Busan, is more than 6,478,000. Changwon is known as a heavy industrial city. The city only covers 7% of Gyeongsangnam-do province, also known as Gyeongnam, but holds 33.6% of its population; it also accounted for 38.5% of the total 2.1821 trillion won budget of the Gyeongnam province.