Dongshan Township (Chinese: 冬山鄉; pinyin: Dōngshān Xiāng; Wade–Giles: Tung1-shan1 Hsiang1; Pe̍h-ōe-jī: Tang-soaⁿ-hiong) is a rural township in the central part of Yilan County, Taiwan.

Zhenzhu, Bucheng, Sanji, Daxing, Tungcheng, Xianghe, Nanxing, Anping, Dongshan, Taihe, Babao, Wanshan, Zhongshan, Shunan, Yongmei, Wuyuan, Qunying, Qinggou, Lupu, Dean, Guangxing, Guangan, Kelin and Dajin Village.

The main industry in Dongshan Township are agriculture and tourism.

In agriculture, tea and pomelo are the specialties for this township.

The township is accessible by the Dongshan Station of the Taiwan Railway Administration.