Naudiha Bazar block is one of the administrative community development block of Palamu district, Jharkhand state, India.
At the time of the 2011 census, Nawadiha Bazar block had a population of 73,799. Nawadiha Bazar block had a sex ratio of 927 females per 1000 males and a literacy rate of 53.42%: 63.43% for males and 42.48% for females. 13,307 (18.03%) were under 7 years of age. The entire population lived in rural areas. Scheduled Castes and Scheduled Tribes were 25,496 (34.55%) and 7,142 (9.68%) of the population, respectively.