Dinjan (or Dinjaygaon) is a small township in Dibrugarh district of Assam, India. It is located in the tea growing area of Assam. The closest town to it is Tinsukia. Dinjan became prominent during World War II when it had an airfield there from which C-47 of the CNAC flew over the "Hump" into Kunming in China carrying much needed supplies for the forces of Gen Chiang Kai Shek for the war against Japan. Other similar airfields in the vicinity were Chabua, Ledo, Mohanbari, Doom Dooma.