Caballero, the Spanish word for "knight" or "gentleman", may also refer to:
- People
- Caballero (surname), people with the surname Caballero
- Celestino Caballero, professional boxer from Panama
- William Caballero, Principal Horn in the Pittsburgh Symphony Orchestra
- Derek Caballero, a professional photographer of Puerto Rican descent
- Steve Caballero, a professional skateboarder from California
- Places
- Pedro Juan Caballero, Paraguay, a city
- Entertainment
- Caballero (magazine), published in Mexico
- Caballero: A Historical Novel, an American novel by Jovita González and Eve Raleigh
- Caballero Home Video, an American pornographic film studio
- Don Caballero, an instrumental rock group from Pittsburgh, Pennsylvania
- Other uses
- GMC Caballero, a car/truck hybrid, twin to the Chevrolet El Camino from 1978–1987
- Miguel Caballero (company), maker of bulletproof clothing