Yang Xiaodu is a Chinese retired politician who served as the first director of the National Supervisory Commission from 2018 to 2023. He served as a member of the 19th Politburo of the Chinese Communist Party from 2017 to 2022. From 2014 to 2022, he served as a Deputy Secretary of the Central Commission for Discipline Inspection (CCDI), the leading anti-graft body of the Chinese Communist Party. He has served in Shanghai and Tibet during his early political career.

The 19th Politburo of the Chinese Communist Party (CCP), formally the Political Bureau of the 19th Central Committee of the Communist Party of China, was elected at the 1st Plenary Session of the 19th Central Committee of the CCP on 25 October 2017 in the aftermath of the 19th National Congress. This electoral term was preceded by the 18th Politburo and succeeded by the 20th. Seven of the 25 members served in the 19th Politburo Standing Committee.