Zijin County (postal: Tzekam; Chinese: 紫金縣; pinyin: Zǐjīn Xiàn; Hakka Pha̍k-fa-sṳ: Tsṳ́-kîm-yen) is a county in the east of Guangdong Province, China.

It is the southernmost county-level division of the prefecture-level city of Heyuan.

As citizens in Zijin are mostly Hakka people, Hakka Chinese is the most common language there.

In 2007, GRP of Zijin is 46.7 hundred million dollars, and its gross output value of industry and agriculture is 55.21 hundred million dollars.

This Guangdong location article is a stub.