The 117th Division (第117師団, Dai-hyakujūnana Shidan) was an infantrydivision of the Imperial Japanese Army. Its call sign was the Expansive Division (弘兵団, Hiromu Heidan). It was formed 10 July 1944 in Xinxiang as a type-C(hei) security division, simultaneously with the 114th, 115th and 118th divisions. The nucleus for the formation was the 14th Independent Infantry Brigade. The division was initially assigned to the Twelfth Army.