Sun Ru
Qin Yan () (died March 2, 888), né Qin Li (), was a Chinese military general and politician during the medieval Tang Dynasty, who seized control of Xuanshe Circuit (宣歙, headquartered in modern Xuancheng, Anhui), and thereafter briefly seized control of Yang Prefecture (揚州, in modern Yangzhou, Jiangsu), the capital of Huainan Circuit (), before being defeated by Yang Xingmi. He joined forced with Sun Ru thereafter against Yang, but was killed by Sun.