Yixing is a county-level city in China, administered under the prefecture-level city of Wuxi in southern Jiangsu province. It lies within the Yangtze River Delta region. The city covers an area of about 1,996.6 square kilometres and had a registered hukou population of roughly 1,075,800 as of 2020.
Yixing is known for its traditional clay ware teapots, commonly referred to as Yixing clay ware. The city forms a pene-exclave with Changzhou.