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 (宋皇臺花園) at the junction of and , it was originally a 45-metre-tall boulder standing on the top of Sacred Hill (聖山) in Ma Tau Chung above Kowloon Bay.