Daroga Prasad Rai (2 September 1922 – 15 April 1981) was an Indian politician from the state of Bihar.

He was the Chief Minister of Bihar in 1970 for ten months, but Congress was reduced to a minority in December 1970 and Karpoori Thakur became the first socialist Chief Minister for a few months, with Jana Sangh support.

From 2 July 1973 to 11 April 1975, he was the Deputy Chief Minister and in charge of finance in Abdul Gafoor's ministry.

In the 1990s, when the Janata Dal family began to be dominant in politics, his son, Chandrika Roy, also accompanied Lalu Prasad Yadav.

[2][3][4][5] In First General Elections held in 1951-52 he contested from Parsa constituency of Bihar Vidhan Sabha and won.