Jagada Nand Singh (born 15 July 1945) is an Indian politician. He is son of Lt. Ramruchi Singh and has done LLB from Harish Chander College in Varanasi in the year 1973. He was a member of the Indian Parliament and represented Buxar (Lok Sabha constituency) in the 15th Lok Sabha from RJD. He was also a 4 term MLA of RJD from Ramgarh Constituency before become an MP from Buxar of RJD. He is State President of Rashtriya Janata Dal of Bihar.