Chen Yung-chi (Chinese: 陳鏞基; pinyin: Chén Yōngjī; Wade–Giles: Chen2 Yung1 Chi1; known in Amis language as Mayaw Ciru; born 13 July 1983 in Taitung County, Taiwan) is a Taiwanese professional baseball infielder for the Uni-President Lions of the Chinese Professional Baseball League (CPBL).