Sung Wong Toi is an important historic relic in Ma Tau Chung, Kowloon, Hong Kong. While its remaining portion is now located in the Sung Wong Toi Garden (宋皇台花園) at the junction of Ma Tau Chung Road and Sung Wong Toi Road, it was originally a 45-metre-tall boulder standing on the top of Sacred Hill (聖山) in Ma Tau Chung above Kowloon Bay.