Muñoz is a Spanish-language surname — with a Portuguese-language variant (Munhoz). Notable people with the surname include:
Adriana Muñoz (born 1982), Cuban middle distance runner who specialized in the 800 and 1500 metres
Agustín Fernando Muñoz, 1st Duke of Riánsares (1808-1873), the second but morganatic husband of Maria Christina, Regent of Spain
Agustín Muñoz Grandes (1896–1970), Spanish general, politician, vice-president of the Spanish Government and minister with Francisco Franco
Alejandro Muñoz-Alonso (1934–2016), Spanish politician
Alexander Muñoz (born 1979), professional boxer in the super flyweight division
Alfonso Pérez Muñoz (born 1972), Spanish retired footballer who played as a striker
Almudena Muñoz (born 1968), former judo competitor from Spain
Alonso Muñoz (c. 1512–1568), high-ranking administrator in Spain
Amparo Muñoz (born 1954), Spanish actress who won the Miss Universe contest
Anastasia Muñoz (born 1984), American voice actress affiliated with Funimation
Anfión Muñoz (1850–1920), Chilean political figure
Anibal Muñoz Duque (1908–1987), Roman Catholic Cardinal and Archbishop of Bogota
Anthony Muñoz (born 1958), offensive tackle who played for the National Football League's Cincinnati Bengals
Antonio "Kitín" Muñoz Valcárcel (born 1958), Spanish navigator, scientist and sociological explorer
Antonio Jesús Vázquez Muñoz (born 1980), Spanish footballer who currently plays for Recreativo de Huelva
Antonio Muñoz (tennis) (born 1951), former professional tennis player from Barcelona, Spain
Antonio Muñoz Molina (born 1956), Spanish writer and full member of the Royal Spanish Academy
Arci Muñoz (born 1989), Filipina actress who is known for her antagonist roles
Arnie Muñoz (born 1982), Major League Baseball pitcher who is currently a free agent
Arturo Muñoz (born 1984), Mexican professional footballer, currently playing as a midfielder
Astrid Muñoz (born 1974), Puerto Rican model
Augustín Fernández Muñoz, Duke of Riansares (1808–1873), morganatic husband of Maria Christina of the Two Sicilies, queen and regent of Spain
Brother Jose Muñoz-Cortes (1950, Chile–1997, Greece)
César Muñoz (born 1929), Ecuadorian chess master
Carli Muñoz (born 1948), self-taught American jazz pianist
Carlos Muñoz Cobo (born 1961), Spanish football (soccer) player
Carlos Antonio Muñoz (1967–1993), Ecuadorian football (soccer) player
Carlos Muñoz Pizarro (1913–1976), Chilean botanist
Cathy Muñoz (born 1964), member of the Alaska House of Representatives
Cecilia Muñoz (born 1962), civil rights advocate
Cecilia Muñoz-Palma (1913–2006), Filipino jurist and the first woman appointed to the Supreme Court of the Philippines
Celia Álvarez Muñoz (born 1932), American artist
Charles Muñoz (born 1926), American poet, novelist and publisher
Cipriano Muñoz y Manzano (1862–1933), Spanish diplomat and academic
Clara Lair (1895–1973), poet whose work dealt with the everyday struggles of the common Puerto Rican
Claudio Muñoz (born 1984), Chilean football (soccer) defender
Cristián Muñoz (born 1977), Argentine goalkeeper
Cristian Muñoz (racewalker) (born 1981), Chilean race walker
Dandeny Muñoz Mosquera, purported to be the chief assassin for the Medellín Cartel of Colombia
Daniel Parejo Muñoz (born 1989), Spanish professional footballer
David Ibarra Muñoz (born 1930), Mexican economist who served as Secretary of Finance
David Muñoz (born 1968), Spanish director, producer, and screenwriter
Diego Muñoz Camargo (1529–1599), the author of History of Tlaxcala
Edgar Muñoz (born 1983), boxer from Venezuela
Eduardo Muñoz Bachs (1937–2001), Cuban poster artist
Emilio Muñoz, bullfighter and actor
Eunice Muñoz, OSE, GCIH (born 1928), Portuguese actress
Evaristo Muñoz (1684–1737), Spanish painter of the Baroque period
Evita Muñoz "Chachita" (born 1936), Mexican actress
Faustino Sainz Muñoz (born 1937), Spanish prelate of the Roman Catholic Church
Federico Muñoz (born 1963), Colombian road cyclist
Felipe Muñoz (born 1951), Mexican breaststroke swimmer
Fernando Muñoz (born 1967), Spanish football (soccer) player
Francisco Jose Yndurain Muñoz (1940–2008), Spanish theoretical physicist
George Muñoz (born 1951), currently President of Muñoz Investment Banking Group, LLC
Guillermo Muñoz (born 1961), Mexican football (soccer) player
Gustavo Enrique Madero Muñoz (born 1955), Mexican politician and businessman
Gutierre-Muñoz, municipality located in the province of Ávila, Castile and León, Spain
Héctor Martínez Muñoz, member of the Supreme Court of Puerto Rico
Heraldo Muñoz (born 1948), Chilean politician and diplomat and current Chilean Ambassador to the United Nations
Hernán Darío Muñoz (born 1973), Colombian road racing cyclist
Hoyos de Miguel Muñoz, municipality located in the province of Ávila, Castile and León, Spain
Hugo Muñoz (born 1973), retired Peruvian high jumper
Iñaki Muñoz (born 1978), Spanish footballer
Isabel Muñoz (born 1951), Spanish photographer who lives in Madrid
Iván Pérez Muñoz (born 1976), retired Spanish footballer who played as striker
James Muñoz, lead singer of American metalcore band The Bled
Javier Muñoz (born 1995), Spanish football player
Javier Muñoz Mustafá (born 1980), Argentine-Spaniard footballer playing for C.F. Pachuca
Javiera Muñoz (born 1977), Swedish singer with Chilean-Uruguayan roots
Joaquín Rubio y Muñoz (1788–1874), Spanish lawyer who was a noted antiquarian and numismatist in the city of Cádiz, Spain
Jorge Antonio Muñoz (born 1981), Chilean football (soccer) midfielder
José Antonio Muñoz (born 1942), Argentine artist
José Esteban Muñoz (born 1967), American academic in the fields of Performance Studies, visual culture, queer theory, cultural studies, and critical theory
José Ramos Muñoz, Spanish neo-marxist archaeologist and professor of prehistory at the University of Cádiz
José Santiago Muñoz (1780–1836), Chilean soldier and politician
Juan Bautista Muñoz (1745–1799), Spanish philosopher and historian of the New World.
Juan Carlos Muñoz (born 1919), footballer from Argentina
Juan Jacinto Muñoz Rengel (born 1974), Spanish writer and founder of the literary review Estigma
Juan José Muñoz, Argentine businessman
Juan Manuel Muñoz (born 1985), Spanish football player
Juan Muñoz (1953–2001), famous Spanish sculptor
León Darío Muñoz (born 1977), Colombian soccer player
Lola Muñoz (born 1980), Spanish singer from the Spanish girl group Las Ketchup
Lucía Muñoz (born 1983), Spanish singer from the girl group Las Ketchup
Lucio Muñoz (1929–1998), Spanish artist
Luis Muñoz Marín (1898–1980), Puerto Rican poet, journalist, and politician
Luis Muñoz Rivera (1859–1916), Puerto Rican poet, journalist and politician
Luis Muñoz Rivera (senator) (1916–2006)
Manolo Muñoz (1941–2000), Mexican singer and actor
Manuel Muñoz (Governor of Spanish Texas)
Maria Elizabeth Muñoz, Chicana activist
Mariana de Pineda Muñoz (1804–1831), Spanish national heroine
Mark Muñoz (born 1978), Filipino-American mixed martial artist
Matilde Muñoz Sampedro (1900-1969), Spanish actress
Miguel Ángel Muñoz (born 1983), Spanish actor and singer
Miguel Muñoz (1922-1990), Spanish footballer and manager
Moisés Muñoz (born 1980), goalkeeper
Morella Muñoz (1935–1995), popular Venezuelan singer
Nicolás Muñoz (born 1981), Panamanian footballer
Noe Muñoz (born 1967), former Major League Baseball catcher
Oscar Muñoz (baseball) (born 1969), former major league baseball pitcher
Pablo Muñoz Vega S.J. (1903–1994), Ecuadorian cardinal of the Roman Catholic Church and Archbishop of Quito
Paloma Muñoz (born 1965), visual artist part of the group Martin & Muñoz
Pam Muñoz Ryan (born 1951), American Latina author
Patricia Muñoz (born 1968), Mexican actress, model and singer
Pedro López Muñoz (born 1983), Spanish football player
Pedro Muñoz (baseball) (born 1968), former outfielder in Major League Baseball
Pedro Muñoz Machín Rodríguez (Mieres, 6 November 1958), former Spanish professional road bicycle racer
Pedro Muñoz Saglimbeni, the first solo viola at Orquestra Sinfónica Portuguesa
Pedro Muñoz Seca (1881–1936), Spanish dramatist
Pilar Muñoz (born 1978), Spanish singer from the Spanish girl group, Las Ketchup
Porfirio Muñoz Ledo (born 1933), Mexican politician
Rafael Calderón Muñoz (1869–1943), Costa Rican politician
Rafael Muñoz (journalist) (1899–1972), Mexican journalist, novelist and writer of short stories
Ramón Muñoz Gutiérrez (born 1960), Mexican right-wing politician
Raúl Muñoz (born 1974), Chilean football (soccer) player
René Muñoz (1938–2000), Cuban actor and scriptwriter of telenovelas and the cinema of Mexico
Ricardo Muñoz, alderman of the 22nd ward in Chicago
Ricardo Muñoz Suay (1917–1997), Spanish film director, producer and screenwriter
Roberto Muñoz (Puerto Rican baseball player) (born 1968), former professional baseball player
Rodrigo Muñoz (born 1982), Uruguayan footballer
Roger Muñoz (born 1984), Nicaraguan basketball player
Sear Muñoz (born 1992), Leader of Bebo Nation
Silvia Muñoz (born 1979), field hockey midfield and forward player from Spain
Susana Blaustein Muñoz, Argentine film director
Tito Muñoz (born 1983), American conductor, currently Assistant Conductor of The Cleveland Orchestra
Toni Muñoz (born 1982), Spanish football striker
Víctor Muñoz (born 1957), former Spanish football midfield player
Victoria Muñoz Mendoza (born 1940), former politician from Puerto Rico
William Muñoz (born 1988), Mexican professional wrestler better known as Rush