Daniel Roher is a Canadian documentary film director from Toronto, Ontario. He is most noted for his 2019 film Once Were Brothers: Robbie Robertson and the Band, which was the opening film of the 2019 Toronto International Film Festival, and his 2022 film Navalny, about the Russian opposition leader, lawyer, anti-corruption activist, and political prisoner, which won the Academy Award for Best Documentary Feature Film at the 95th Academy Awards.