Kuldīga ( pronunciation (help·info)) (German: Goldingen) is a town in western Latvia. It is the center of Kuldīga municipality with a population of approximately 13,500.

Kuldīga was first mentioned in 1242. It joined the Hanseatic League in 1368. In the 17th century, Kuldīga (along with Jelgava (Mitau) was one of the capitals of the Duchy of Courland. Kuldīga was the birthplace of the linguist Max Weinreich.

Kuldīga is the pearl of Kurzeme, Latvia's western region. Kuldīga boasts distinctive architecture, the River Venta with the widest waterfall ledge in Europe, and an old brick bridge. Kuldīga was recognised an EDEN destination in 2007.

Kuldīga is an ancient town with unique architecture. Saint Catherine is believed to be the patron saint of Kuldīga, and thus the church of the town has been named after St Katrīna. The foundation of the building was laid as early as in 1252; later the church was remodelled a number of times, and the altar was decorated with Baroque style wood carvings. One of the most successful rulers of the Duchy of Courland, Duke Jacob was christened in this church, and his wedding to Princess Louise Charlotte of Brandenburg also took place here.