Japanese 1st Division

In the Japanese military, 1st Division may refer to:


 * Infantry
 * 1st Division (Imperial Japanese Army)
 * 1st Division (Japan)


 * Armoured
 * 1st Tank Division (Imperial Japanese Army)


 * Artillery
 * 1st Antiaircraft Artillery Division (Imperial Japanese Army)


 * Aviation
 * 1st Flying Division (Imperial Japanese Army)


 * Guard
 * 1st Guards Division (Imperial Japanese Army)