| Wang Kwo-tsai | |
| Office1: | 10th Chairman of the Chunghwa Post |
| Term Start1: | 21 August 2024 |
| Premier1: | Cho Jung-tai |
| Predecessor1: | Wu Hong-mo |
| Term Label2: | Acting |
| Term Start2: | 15 May 2019 |
| Term End2: | 27 June 2019 |
| Premier2: | Su Tseng-chang |
| Predecessor2: | Wei Chien-hong |
| Successor2: | Wu Hong-mo |
| Term Label3: | Acting |
| Term Start3: | 30 June 2017 |
| Term End3: | 11 May 2018 |
| Premier3: | Lin Chuan William Lai |
| Predecessor3: | Philip Ong |
| Successor3: | Wei Chien-hong |
| Office4: | 28th Minister of Transportation and Communications |
| Premier4: | Su Tseng-chang Chen Chien-jen |
| Term Start4: | 20 April 2021 |
| Term End4: | 20 May 2024 |
| Predecessor4: | Lin Chia-lung |
| Successor4: | Li Meng-yen |
| Deputy5: | Chi Wen-jong (administrative) |
| Term Label5: | Acting |
| Term Start5: | 2 December 2018 |
| Term End5: | 13 January 2019 |
| Premier5: | William Lai |
| Predecessor5: | Wu Hong-mo |
| Successor5: | Lin Chia-lung |
| Office6: | Political Deputy Minister of Transportation and Communications |
| Minister6: | Hochen Tan Wu Hong-mo Lin Chia-lung |
| Deputy6: | Fan Chih-ku, Wu Men-feng, Chi Wen-jong (administrative) |
| Term Start6: | 20 May 2016 |
| Term End6: | 19 April 2021 |
| Office7: | Director of the Bureau of Transportation |
| Term Start7: | 14 February 2007 |
| Term End7: | 17 February 2013 |
| 1Blankname7: | Mayor |
| 1Namedata7: | Chen Chu |
| Nationality: | Taiwanese (Taiwan) |
| Party: | Independent |
| Alma Mater: | National Cheng Kung University National Chiao Tung University |
Wang Kwo-tsai (; born 1959) is a Taiwanese politician who served as the Minister of Transportation and Communications from 2021 to 2024. He had also served as the Political Deputy Minister of Transportation and Communications between 2016 and 2021.
Wang obtained his bachelor's and master's degree in transportation management from National Cheng Kung University in 1981 and 1988 respectively. He then obtained his doctoral degree in traffic and transportation from National Chiao Tung University in 1995.[1]
Wang took office as political deputy minister of transportation and communications on 20 May 2016, serving under Hochen Tan.[1] He served as the acting minister between December 2018 to January 2019 as the deputy minister, after the then minister Wu Hong-mo resigned due to the poor result of the ruling party of government on the 2018 Taiwanese local elections.[2]