| Juan Castellón Larenas | |
| Birth Date: | c. 1843 |
| Nationality: | Chilean |
| Occupation: | Lawyer |
Juan Castellón Larenas (c. 1843 – September 14, 1919) was a Chilean lawyer who served as foreign minister of Chile (1889–1890, 1892) and justice minister (1891). He served as a senator (1891–1897, 1909–1915) and deputy (1876–1879, 1882–1891, 1914–1915).