Darkhoveyn (Persian: دارخوين) is a city in, and the capital of, Darkhoveyn District of Shadegan County, Khuzestan province, Iran. It also serves as the administrative center for Darkhoveyn Rural District. The city is the merger of the former villages of Darkhoveyn, Shakht ol Khan, and Yukhan. Darkhoveyn is the site of a nuclear facility.