The Hong Kong Film Award for Best Actor is an annual Hong Kong industry award presented to an actor for the best performance by an actor in a leading role.

The award was established at the 1st Hong Kong Film Awards (1982) and the first winner and the sole participant in this category was Michael Hui for his role in the film Security Unlimited. From the 2nd Hong Kong Film Awards (1983), there are 5, sometimes 6, nominations for the category of Best Actor from which one actor is chosen the winner of the Hong Kong Film Award for Best Actor, except the 2nd Awards when Sammo Hung and Karl Maka shared the award. The most recent recipient of the award was Tony Leung Chiu-wai, who was honoured at the 42nd Hong Kong Film Awards (2024), for his performance in The Goldfinger.

The actor with most awards in this category is Tony Leung Chiu-wai with six wins. He also holds the record for the actor with the most awards in the Best Supporting Actor category. Jackie Chan holds the record for an actor with the most nominations without ever winning, until the 24th Hong Kong Film Awards (2005) he was nominated 10 times without a single award.

• Hong Kong Film Award
• Hong Kong Film Award for Best Actress
• Hong Kong Film Award for Best Supporting Actor
• Hong Kong Film Award for Best Supporting Actress
• Hong Kong Film Award for Best Action Choreography
• Hong Kong Film Award for Best Cinematography
• Hong Kong Film Award for Best Director
• Hong Kong Film Award for Best Film
• Hong Kong Film Award for Best New Performer