Heads or Tails (Spanish:Águila o sol) is a 1938 drama film of the cinema of Mexico.

This was Mario Moreno’s a.k.a. Cantinflas's third film and the second in a row with co-star Manuel Medel. After the completion of the film and with the help of Mendel, an already accomplished actor, Cantinflas decided to pursue a career of his own. The film was written, adapted and directed by Russian-born Arcady Boytler. The movie was placed on the 84th spot among the 100 best movies of the cinema of Mexico, a list created by Mexican film experts.