库什蒂亚（Kushtia District）为孟加拉国库尔纳专区辖县，1947年设立，1984年析置朱瓦当加和梅黑尔布尔2县。县境北与拉杰沙希、诺多尔和巴布纳县接壤，南与切尼达和朱瓦当加县毗邻，东接拉杰巴里县，西连梅黑尔布尔县和印度西孟加拉邦。年平均降雨量1,467毫米，平均气温11.2ºC（最低）至37.8ºC（最高）。县域总面积1,621.15公里²，总人口1,713,224人（1991），全县共分为6乡（Upazila）。

Kushtia (Bengali:কুষ্টিয়া জেলা, Kushtia Jela also Kushtia Zila) is a district in the Khulna administrative division of western Bangladesh. Kushtia has existed as a separate district since the partition of India. Prior to that, Kushtia was a part of Nadia District under Bengal Province of British India. Kushtia was home of many famous people, especially authors and poets. Present day Kushtia is known for the Islamic University, Shilaidaha Kuthibari and Lalon's shrine.