Xiulin Township / Sioulin Township () is a mountain indigenous township of Hualien County, Taiwan. It is located northwest of Hualien City, and is the largest township in Taiwan by area (1,641.86 kmò) with 9 villages. It has a population of 17,068, most of which are the indigenous Taroko people.
Because of its location beside the Central Mountain Range, the climate changes by altitude. Taroko National Park is located in Xiulin Township. In recent years, people in Xiulin have lobbied to change its name to "Taroko Township" (太é¯é£éÂÂ).
The second deadliest train disaster in Taiwan's history happened here in 2021.
The township comprises nine villages: Chongde, Fushi, Heping, Jiamin, Jingmei, Shuiyuan, Tongmen, Wenlan and Xiulin.