Xiyan or Xi Yan may refer to:
Western Yan (384–394), a Xianbei state in North China during the Sixteen Kingdoms period The Wedding Banquet, a 1993 film by Ang Lee Xi Yan, a character from David Henry Hwang's play Chinglish
Places in China Xiyan, Guangxi (西燕), a town in Shanglin County, Guangxi Xiyan, Hebei (西演), a town in Gaoyang County, Hebei Xiyan, Hunan (西岩), a town in Chengbu Miao Autonomous County, Hunan Xiyan, Yu County (西烟), a town in Yu County, Shanxi Xiyan Township, Henan, a township in Lingbao, Henan Xiyan Township, Shanxi (西墕乡), a township in Taiyuan, Shanxi