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) is a Taiwanese professional baseball infielder for the Uni-President Lions of the Chinese Professional Baseball League (CPBL).

[2] In April 2007, while playing for the Triple-A Tacoma Rainiers, Chen underwent surgery on his left shoulder and missed the rest of the season.

He was assigned to the Double-A Midland RockHounds to begin the season and was later promoted to the Sacramento River Cats.

On June 24, 2010, Chen signed a minor league contract with the Pittsburgh Pirates organization and was assigned to the Double-A Altoona Curve.

He won the best second baseman award of 2006 Intercontinental Cup, and gold medal of Asian Games.