On His Majesty's Secret Service () is a 2009 Hong Kong comedy film, written, produced and directed by Wong Jing. The Chinese title (literal translation: "Imperial Secret Agent: Smart Dog") is a parody of the title of the 1996 film Forbidden City Cop (literal translation: "Imperial Secret Agent 008") which starred Stephen Chow and was also produced by Wong, while the English title is a parody of the title of the James Bond film On Her Majesty's Secret Service.