The Our Lady of Joy Abbey is a monastery at Tai Shui Hang (大水坑), on Lantau Island in the New Territories, Hong Kong. It is home to a number of Roman Catholic monks of the Cistercian Order of the Strict Observance, or Trappists. It was originally named "Trappist Haven Monastery", and founded by refugee monks from Our Lady of Consolation Abbey and Our Lady of Joy Abbey.

Lantau Island is the largest island in Hong Kong, located west of Hong Kong Island and the Kowloon Peninsula, and is part of the New Territories. Administratively, most of Lantau Island is part of the Islands District of Hong Kong. A small northeastern portion of the island is located in the Tsuen Wan District.