Changzhou is a prefecture-level city in Jiangsu, China.
Changzhou may also refer to: a historical name of Suzhou, Jiangsu (written as 长洲, different from Changzhou City) Cháng Prefecture (written as 常州), prefecture between the 6th and 13th centuries in modern Jiangsu, China Changzhou dialect of Wu Chinese, spoken in Changzhou City Changzhou District, in Wuzhou, Guangxi, China Changzhou Island, in Guangzhou, Guangdong, China Cheung Chau, in Island District, Hong Kong, China Chinese frigate Changzhou, named for the city in Jiangsu
See also Changshou (disambiguation)