Grierson is a 1973 Canadian documentary film directed by Roger Blais. A portrait of documentary filmmaker and National Film Board of Canada founder John Grierson, the film won the Canadian Film Award for Best Documentary at the 25th Canadian Film Awards in 1973. The film was released in both an English version narrated by , and a French version narrated by Monique Miller. John Grierson, who founded the National Film Board of Canada, died in February 1972. The film cost $242,725 (equivalent to $1,456,350 in 2021) to make.