Erlun Township is a rural township in Yunlin County, Taiwan. It has a population total of 25,183 () and an area of 59.5625 square kilometres.
The name Erlun came from the fact that the area consists of two connected hills.
Early residents of Erlun came from Jinjiang and Zhao'an in Fujian, China.
The township comprises 18 villages: Dahua (), Datong (), Dayi (), Dazhuang (), Dingan (), Fuxing (), Ganghou (), Laihui (), Lundong (), Lunxi (), Nanzi (), Sanhe (), Tianwei (), Yangxian (), Yizhuang (), Yongding (), Youche () and Zhuangxi ().