To Be Number One (Chinese: 跛豪) is a 1991 Hong Kong gangster film directed by Poon Man-kit, and produced by Stephen Shiu.

The film is based on the rise and fall of a real-life gangster Ng Sik-ho, who is portrayed in the film by Ray Lui.

To Be Number One was a critical and box office success, grossing HK$38,703,363 at the Hong Kong box office and winning the Hong Kong Film Award for Best Film at the 11th Hong Kong Film Awards.

The protagonist Ho begins the story as a poor Teochew refugee from Communist China, and leads his men to become pawns of the corrupt policeman Fat Kwan to control the drug trade.

However Ho is blinded by his growing power, and his empire ends with the establishment of ICAC.