Bai Dongcai (simplified Chinese: 白栋才; traditional Chinese: 白棟材; January 3, 1916 – April 1, 2014) was a People's Republic of China politician.

He was born in Qingjian County, Shaanxi Province.

He was a relative of Bai Rubing, Chinese Communist Party Committee Secretary and governor of Shandong Province and Bai Enpei, CCP Committee Secretary and governor of Qinghai Province and CCP Committee Secretary of Yunnan Province.

He was a member of the 12th Central Committee of the Chinese Communist Party.