Skip to main content - Orozco, Pascual Jr. (1882–1915)
- Orphans and Foundlings
- Orphée, Elvira (1930–)
- Orr, Robert Gordon ("Bobby")
- Orr, Robert Gordon ("Bobby")
- Orrego-Salas, Juan Antonio (1919–)
- Ortaoyunu
- Ortega del Villar, Aniceto (1825–1875)
- Ortega Saavedra, Daniel (1945–)
- Ortega Saavedra, Humberto (1942–)
- Ortega Y Gasset, José (1883–1955)
- ORTHOEPY
- Ortiz de Ayala, Simón Tadeo (1788–1833)
- Ortiz de Domínguez, Josefa (1768–1829)
- Ortiz de Zárate, Juan and Juana (1521–1576)
- Ortiz Mena, Antonio (1907–2007)
- Ortiz Rubio, Pascual (1877–1963)
- Ortiz, Fernando (1881–1969)
- Ortiz, Roberto Marcelino (1886–1942)
- Osborne, Adam
