Du Jincai (Chinese: 杜金才; pinyin: Dù Jīncái; born October 1952) is a retired general (shangjiang) of the People's Liberation Army who served as Secretary of the Commission for Discipline Inspection of the Central Military Commission.

In July 2005 he became the political commissar of the 21st Group Army (under the Beijing Military Region) of the PLA.

In December 2009, was he further promoted to deputy director of the General Political Department.

[2] Du earned a series of promotions at the 18th National Congress of the Chinese Communist Party, becoming the head of discipline inspection in the military, overseeing the army's anti-corruption efforts, and concurrently the Deputy Secretary of the CCDI.

Du was a member of the 18th Central Committee of the Chinese Communist Party.