The Imperial Household Agency (宮内庁, Kunaichō) is a government agency of Japan. This bureaucracy is concerned with Imperial House of Japan (Japan's imperial family).
Kunaichō keeps the Privy Seal of Japan and the State Seal of Japan.
In the 18 centuries before the Second World War, it was named the Imperial Household Ministry (宮内省, Kunaishō).
The current Grand Steward is Shingo Haketa.