Anxi Countyⓘ (simplified Chinese: 安溪县; traditional Chinese: 安溪縣; pinyin: Ānxī Xiàn; Pe̍h-ōe-jī: An-khoe kōan) is a county of the prefecture-level city of Quanzhou, in southern Fujian province, People's Republic of China with 1,003,599 inhabitants (2020 census).

Anxi is well known for a number of varieties of Oolong tea, the best-known of which is Tieguanyin (铁观音, "Iron Boddhisatva of Mercy").

Anxi Tieguanyin (安溪铁观音) is classified as one of the Top 10 Chinese Tea.

In recent years, Anxi is known as the "scam town" of China, due to the considerable number of scammers originating from here in the 2023 Singapore money laundering case.

China Tea Capital (Chinese: 中国茶都; pinyin: Zhōngguó Chá Dū) is a large center dedicated to showcasing Anxi County's famous tieguanyin tea.