title: Ōoku (disambiguation)
text: # Ōoku (disambiguation)
  
  Ōoku is a section of Edo Castle, Japan.
  
  Ōoku may also refer to:
  
  * Ōoku (2003 TV series), a Japanese TV series
  * Ōoku (1983 TV series), a Japanese television series
  * Oh! Oku, a 2006 film based on the TV series
  * Ooku (album), a 2008 album by Masami Okui
  * Ōoku: The Inner Chambers, a 2005 manga series by Fumi Yoshinaga
  