Montero is a Spanish surname meaning the occupational name for a beater or other assistant at a hunt, from an agent derivative of monte, which, as well as meaning 'mountain', 'hill'. Notable people with the surname include:

• Adalí Montero (born 1982), Peruvian singer-songwriter
• Amaia Montero (born 1976), Spanish singer-songwriter
• Carlos Caridad Montero (born 1967), Venezuelan film director
• Edgardo Abdala Montero (born 1978), Palestinian-Chilean footballer
• Elehuris Montero (born 1998), Dominican baseball player
• Enrique Montero (born 1954), Spanish footballer
• Fredy Montero (born 1987), Colombian soccer player
• Gabriela Montero (born 1970), Venezuelan-American classical piano virtuoso
• Irene Montero (born 1988), Spanish politician and psychologist
• Jefferson Montero (born 1989), Ecuadorian footballer
• Jesús Montero (born 1989), Venezuelan baseball player
• Juan Esteban Montero (1879–1948), Chilean president (1931–1932)
• Juan Manuel Montero Vázquez (1947–2012), Spanish military physician and Surgeon General
• Leonardo Montero, Argentine TV host
• Mayra Montero (born 1952), Cuban-Puerto Rican writer
• Miguel Montero (born 1983), Venezuelan-American baseball player
• Miguel Montero (tango singer) (1922–1975), Argentine tango singer
• Pablo Montero (born 1974), Mexican singer and actor
• Paolo Montero (born 1971), Uruguayan footballer
• Pilar Montero (1921–2012), American bar and restaurant owner
• Rafael Montero (disambiguation), several people
• Ricardo Montero (referee) (born 1979), Costa Rican football referee
• Ricardo Montero (cyclist) (1902–1974), Spanish racing cyclist
• Rosa Montero (born 1951), Spanish writer

Montero can also be used as a given name. Notable people with the given name include:

• Montero Lamar Hill (born 1999), American rapper and singer-songwriter, known as Lil Nas X

See also

• Monteiro (surname), the Portuguese version of this surname