Caballero, the Spanish word for "knight" and a common surname, can refer to:
Anna Caballero, member of the California State Assembly
Bernardino Caballero, the President of Paraguay from 1880 until 1886 and founder of the Colorado Party
Celestino Caballero, Panamanian boxer
Elizabeth Caballero, Cuban-American soprano
Enrique Caballero Peraza, Mexican medical doctor, psychologist and politician
Félix Caballero, Dominican priest
Fernán Caballero, pseudonym adopted from the name of a village in the province of Ciudad Real by the Spanish novelist Cecilia Francisca Josefa Arrom de Ayala
Flavio Caballero, Colombian actor
Francisco Largo Caballero, Spanish politician and trade unionist
Gabriel Caballero, Mexican footballer
Guy Caballero, a character in the Canadian sketch comedy series SCTV portrayed by Joe Flaherty
Juan Caballero y Ocio, priest
Jorge Caballero, Mexican footballer
Jorge López Caballero, Colombian footballer
Luis Caballero (footballer), Paraguayan footballer
Miguel Caballero Ortega, Spanish ski mountaineer and long-distance runner
Raymond Caballero, the mayor of El Paso, Texas from 2001 until 2003
Raimundo Diosdado Caballero, Catholic miscellaneous writer
Roxann Caballero (born 1958), American actress and director, known as Roxann Dawson, R. Biggs, R. Biggs-Dawson
Samuel Caballero, Honduran football defender
Steve Caballero, professional skateboarder
Wilfredo Caballero, Argentinian soccer player who currently plays for Manchester City FC
