| Arthur Caesar | |
| Birth Date: | 9 March 1892 |
| Birth Place: | Bucharest, Romania |
| Death Place: | Los Angeles, California |
| Occupation: | Screenwriter |
| Yearsactive: | 1924–1951 |
Arthur Caesar (9 March 1892 – 20 June 1953) was a Romanian-American screenwriter and brother of the songwriter Irving Caesar. Caesar first started writing Hollywood films in 1924. Most of his films were in the B-movie category. He won an Academy Award for the story of Manhattan Melodrama (1934), which is most famous today for being the film that John Dillinger had just seen before getting gunned down outside the cinema.