<P> In the main ceremony , Moonlight won three awards including Best Picture , after La La Land was mistakenly announced as a winner , and Mahershala Ali won Best Supporting Actor award . La La Land went on to win six awards , the most for the evening from its record - tying fourteen nominations including Best Actress for Emma Stone and Best Director for Damien Chazelle . Hacksaw Ridge and Manchester by the Sea won two awards each with Casey Affleck winning Best Actor for the latter and Viola Davis won Best Supporting Actress honor for Fences . The telecast garnered 33 million viewers in the United States . </P>
which film won best film award in 2017 oscars
Moonlight won three awards including Best Picture