Álvarez (sometimes Alvarez) is a Spanish surname, a patronymic meaning "son of Álvaro". Notable people with the surname include:

Actors, singers, musicians

• Ana Álvarez (born 1969), Spanish model and actress
• Andreína Álvarez (born 1979), Venezuelan actor
• Carlos Álvarez (baritone) (born 1966), Spanish opera singer
• Cristian Álvarez (musician) (born 1972), Argentine musician
• Enrique Álvarez Félix (1934–1996), Mexican actor
• Francisco Álvarez (actor) (1892–1960), Argentine actor
• George Alvarez, Cuban/American actor
• Ian Antonio Alvarez also known as Bunji Garlin (born 1978) Trinidadian male soca singer
• Izabella Alvarez (born 2004), American actress
• Javier Álvarez (1956–2023), Mexican composer
• Karl Alvarez (born 1964), American musician
• Miguel Álvarez-Fernández (born 1979), Spanish composer
• Roy Alvarez (1950–2014), Filipino actor, director and screenwriter
• Zayra Alvarez, Puerto Rican musician

Military figures

• Ochoa de Alvarez de Isásaga (1470–1555), Spanish nobleman, Chief of the Supreme Council of the Indies, Order of Santiago
• Casta Álvarez (1776–1846), Spanish soldier
• Everett Alvarez Jr. (born 1937), American naval officer and prisoner of war
• Mariano Álvarez de Castro, Spanish brigadier
• Mariano Álvarez (1749–1810), Filipino general, statesman, and teacher
• Vicente Álvarez (general) (1862–1942), Filipino revolutionary

Painters, sculptors

• Ana Albertina Delgado Álvarez (born 1963), Cuban artist
• Celia Álvarez Muñoz (born 1932), American artist
• José Álvarez Cubero (1768–1827), Spanish sculptor in the neoclassical style
• Mabel Alvarez (1891–1985), American oil painter, daughter of Luis F. Álvarez
• Negra Álvarez (born 1948), Salvadoran visual artist
• Pedro Álvarez Castelló (1967–2004), Cuban painter

Politicians

• Carlos Álvarez (American politician) (born c. 1952), Cuban-American politician from Florida
• Eugenio Alvarez (1918–1976), New York assemblyman
• Gregorio Conrado Álvarez (1925–2016), Uruguayan general and dictator
• José Manuel Álvarez, Argentine politician
• Juan Álvarez (1790–1867), Mexican general and president
• Julián Álvarez (lawyer) (1788–1843), Argentine politician
• Pedro de Toledo, 1st Marquis of Mancera (c. 1585–1654), Spanish viceroy of Peru
• Pedro Álvarez de Toledo, Marquis of Villafranca (1484–1553), Spanish viceroy of the Kingdom of Naples
• Vicente Álvarez Travieso (1705–1779), Spanish judge and politician

Sports figures

Writers, novelists, poets

• Al Alvarez (1929–2019), English writer
• Emilio Álvarez Lejarza (1884–1969), Nicaraguan jurist and political writer
• Emilio Álvarez Montalván (1919–2014), Nicaraguan ophthalmologist and political writer
• José María Álvarez de Sotomayor, Spanish playwright and poet
• José Sixto Álvarez, aka Fray Mocho, Argentine writer
• Julia Alvarez (born 1950), American writer
• Severiano Álvarez (1933–2013), Spanish writer

Others

• Ada Álvarez, Cuban-Mexican operations researcher
• Onion News Network's Brooke Alvarez, played by Suzanne Sena
• Ciriaco Álvarez (1873-?), Chiloé businessman
• Fede Álvarez (born 1978), Uruguayan filmmaker
• Felix Alvarez (born 1951), Gibraltar human and civil rights activist and defender
• Gabriela Álvarez (died 2017), Mexican mechanical engineer
• Gregorio Álvarez (historian) (1889–1986), Argentine physician and historian
• José Álvarez de Toledo, Duke of Alba (1756–1796), Spanish patron of painter Goya
• Juan Álvarez (historian), Argentine judge and historian
• Juan Manuel Alvarez, man convicted of causing the 2005 Glendale train crash
• Luis F. Álvarez (1853–1937), American physician, father of Mabel Alvarez and Walter C. Alvarez
• Luis Walter Alvarez (1911–1988), American physicist, and recipient of the Nobel Prize in Physics, son of Walter C. Alvarez, father of Walter Alvarez
• Mayra Álvarez, Mexican nanoscientist
• Melania Alvarez, Mexican mathematics educator in Canada
• Nancy Alvarez (psychologist) (born 1950), Dominican psychologist and TV presenter
• Pedro J. J. Alvarez, professor of Civil and Environmental Engineering at Rice University
• Pero Alvarez, 15th-century freed Portuguese slave
• Robert Alvarez (born 1948), American animator, television director, and writer
• Rosendo Álvarez Gastón (1926–2014), Spanish Roman Catholic bishop
• Vincent Alvares (1680–1738), Indian doctor and clergyman
• Virginia Pereira Álvarez (1888–1947) Venezuelan physician
• Walter Alvarez (born 1940), American geologist responsible for discovering the reasons behind Cretaceous–Tertiary extinction event, son of Luis Walter Alvarez
• Walter C. Alvarez (1884–1978), American physician, son of Luis F. Álvarez, father of Luis Walter Alvarez

Fictional characters

• Dr Alvarez, criminal in James Bond