Yang Yao-hsun (Chinese: 陽耀勳; pinyin: Yāng Yàoxūn; born 22 January 1983 in Taitung City, Taiwan) is a former Taiwanese professional baseball pitcher and outfielder.

He played in Nippon Professional Baseball (NPB) as a pitcher for the Fukuoka SoftBank Hawks.

He played in the Chinese Professional Baseball League (CPBL) as an outfielder for the Lamigo Monkeys and Fubon Guardians.

Yang played for the Fukuoka SoftBank Hawks of Nippon Professional Baseball from 2006 until 2013 before expressing his desire to sign in America because of his MLB dream.

On 13 February 2014 he signed a minor league deal with an invite to Spring training with the Pittsburgh Pirates.