| Julián Castillo | |
| Position: | First baseman |
| Birth Date: | January 23, 1880 La Habana, Cuba |
| Death Date: | December 1948 Cuba |
| Bats: | Right |
| Throws: | Right |
| Debutleague: | Cuban League |
| Debutyear: | 1899 |
| Debutteam: | Cuba |
| Finalyear: | 1912 |
| Finalteam: | Almendares |
| Hofcolor: | blue |
| Hoflink: | Cuban Baseball Hall of Fame |
| Hoftype: | Cuban |
| Hofdate: | 1943 |
Julián Castillo Calderón de la Barça (January 23, 1880 - December, 1948) was a Cuban baseball first baseman in the Cuban League and Negro leagues.
Castillo played from 1899 to 1914 with several Cuban League ballclubs, including Almendares, Club Fé and Habana. He also played in the Negro leagues in 1911 for the Cuban Stars (West) and the All Cubans.[1] He was elected to the Cuban Baseball Hall of Fame in 1943.[2]