Patan is one of the administrative blocks/Tehsil/ Taluka of Palamu district, Jharkhand state, India. According to the census of 2001 the block has 25,186 households with a population of 146,139. The block has 186 villages.
Patan is a part of Chhatarpur (Jharkhand Assembly constituency).
At the time of the 2011 census, Patan block had a population of 134,536. Patan block had a sex ratio of 920 females per 1000 males and a literacy rate of 63.32%: 74.35% for males and 51.33% for females. 22,445 (16.68%) were under 7 years of age. The entire population lived in rural areas. Scheduled Castes and Scheduled Tribes were 37,414 (27.81%) and 16,551 (12.30%) of the population, respectively.