Diamond Hill (Chinese: 鑽石山; pinyin: Zuànshí shān; Cantonese Yale: Jyunsehk Sāan) is a hill in Kowloon, Hong Kong. The name also refers to the area on or adjacent to the hill. It is surrounded by Ngau Chi Wan, San Po Kong, Wong Tai Sin and Tsz Wan Shan. Its northeast is limited by the ridge.