This paper develops a study of the audience in cinemas and the production of documentary films today in Rio Grande do Sul (RS). A question of whether there is an audience for documentaries made in RS and if its culture of documentary is proportionally lesser than Rio de Janeiro / São Paulo. How to increase publicity and the distribution of documentary films and for its audiences. One question examined from a research project involving data of box office collected from the Fundacine and Ancine sites, and interviews with audiences and filmmakers. The bibliography is based on Leandro Valiati, João Moreira Salles and Fernão Pessoa Ramos.