La ciénaga is a 2001 internationally co-produced comedy-drama film written and directed by Lucrecia Martel in her feature directorial debut. The film stars an ensemble cast featuring Graciela Borges, Mercedes Morán, Martín Adjemián and Daniel Valenzuela.

Lucrecia Martel is an Argentine film director, screenwriter and producer whose feature films have frequented Cannes, Venice, Berlin, Toronto, and many other international film festivals. Film scholar Paul Julian Smith wrote in 2015 that she is "arguably the most critically acclaimed auteur in Spanish-language art cinema outside Latin America" and that her "transnational auteurism and demanding features have earned her a hard-won reputation in the world art cinema festival circuit". Similarly, film scholar Haden Guest has called her "one of the most prodigiously talented filmmakers in contemporary world cinema", and film scholar David Oubiña has called her body of work a "rare perfection". In April 2018, Vogue called her "one of the greatest directors in the world right now".