Prisoners of the Earth, also known as Prisoners of the Land, (Spanish: Prisioneros de la tierra) is a 1939 Argentine drama film directed by Mario Soffici. The film premiered in Buenos Aires. The film is often cited as one of the greatest in the history of Argentine cinema, and established Soffici as a "social" filmmaker. It was awarded by the Municipality of Buenos Aires as the best film of the year, and the Silver Condor Award instituted by the Argentine Association of Film Critics.

It was selected as the greatest Argentine film of all time in the polls conducted by the Museo del Cine Pablo Ducrós Hicken in 1977 and 1984, while it ranked 6th in the 2000 edition. In a new version of the survey organized in 2022 by the specialized magazines La vida util, Taipei and La tierra quema, presented at the Mar del Plata International Film Festival, the film reached the 19th position.