The Ma On Shan Public Library (Chinese: 馬鞍山公共圖書館) is a public library located at 14 On Chun Street, Ma On Shan, Hong Kong. It was opened on 2 April 2005 and was built next to the Ma On Shan Park. It occupies an area of 2,200 square metres. It has a characteristic main building that is of cylindrical shape. The library has more than 150,000 books.