Stonecutters Island or Ngong Shuen Chau is a former island in Victoria Harbour, Hong Kong. Following land reclamation, it is now attached to the Kowloon Peninsula.

Ngong Shuen Chau Naval Base is part of the People's Liberation Army Hong Kong Garrison and small naval base on Stonecutters Island, Hong Kong. It is home to the South Sea Fleet Squadron #38081 and is a sub-base of the naval squadron of the South Sea Fleet. The area surrounding the base is off limits to civilian ship traffic.