Yang Cheng-wu (Chinese: 楊鎮浯; pinyin: Yáng Zhènwú; born 26 June 1972) is a Taiwanese politician. He is the incumbent chairman of the Taipei Agricultural Products Marketing Corporation. He had served as Magistrate of Kinmen County since 25 December 2018 until 25 December 2022, having won the office in the 2018 Taiwanese local elections.^[1] Prior to contesting the magistracy, Yang represented Kinmen County in the Legislative Yuan.

Yang obtained his bachelor's degree in economics from Chinese Culture University and master's degree in business administration from University of Westminster in the United Kingdom.^[2]

In order to develop Kinmen, Yang held his first official visit to Mainland China just about two month after his inauguration as the county magistrate. While visiting Quanzhou and Xiamen in Fujian, he led a delegation from various department of the county government to promote the tourism and products of Kinmen to the mainland people.^[7]

On 12 August 2019, Yang, along with Penghu County Magistrate Lai Feng-wei and Lienchiang County Magistrate Liu Cheng-ying, visited Beijing and met with Taiwan Affairs Office Director Liu Jieyi requesting Mainland China government to lift up individual travel ban of Mainland Chinese tourists to the three counties due to the constraint cross-strait relations. The mainland government eventually agreed to lift up the ban on 20 September 2019.^[8]

In late April 2020, Magistrate Yang visited Wuqiu for the first time as magistrate and stayed overnight.^[9]