Julián Castillo Calderón de la Barça (January 23, 1880 – December, 1948) was a Cuban professional 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.

[1] He was elected to the Cuban Baseball Hall of Fame in 1943.

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