Liao Pen-yen (Chinese: 廖本煙; born 26 September 1956) is a Taiwanese politician who served two terms in the Legislative Yuan from 2002 to 2008.

Liao graduated from Fu Jen Catholic University with a degree in business management.

[9] Later that month, Liao and a couple other defectors launched reelection bids under the DPP banner.

Though he was reported to be leading the race six days before polls opened,[13] Liao lost to Huang Chih-hsiung by 5.49% of votes.

[16] In 2010, the Taipei District Court found Liao not guilty of taking bribes from the Taiwan Dental Association.