James Ashmore Creelman (September 21, 1894 – 18 September 1941) was an American screenwriter in Hollywood.

Born in the hometown of his mother, Creelman lived in New York and Washington; where his father worked as a journalist.

Creelman worked for studies RKO Pictures since 1929 and helped with the creation of scripts for some of the first films of this study, including The Lady untamed, The evil storyline, King Kong, Dancers in the Dark and last days of Pompeii. He began working in Hollywood in 1924 and wrote 30 screenplays for films before stopping in 1935. In 1927 he directed the film High Hat.

Creelman committed suicide by launching from the roof of a building in New York City in 1941.