Xinzhen Subdistrict (Chinese: 新镇街道; pinyin: Xīnzhèn Jiēdào) is a subdistrict located on northeastern Fangshan District, Beijing, China.

As of 2020, the subdistrict had 10,681 inhabitants living inside its borders.

[1] This region was developed for research in atomic energy starting in 1950.

'New Town') was given by Guo Moruo during his visit of a local research facility in 1958.

[2] In 2021, Xinzhen Subdistrict administered 2 residential communities under it.