Lajos Bíró was a Hungarian novelist, playwright, and screenwriter who wrote many films from the early 1920s through the late 1940s.

The Way of All Flesh is a 1927 American silent drama film directed by Victor Fleming, written by Lajos Bíró, Jules Furthman, and Julian Johnson from a story by Perley Poore Sheehan. Star Emil Jannings won the first Academy Award for Best Actor in a Leading Role at the 1929 ceremony for his performances in this film and The Last Command, the only year that multiple roles were considered.