Garza is a Spanish surname and the Spanish word for the heron. Garza has also become a part of many placenames.

People bearing the name include:

Aarón Sáenz Garza (1891–1983), Mexican politician Ale Garza (born 1977), American comic artist Alex Garza (born 1994), American politician Alicia Garza (born 1981), American civil rights activist, co-founder Black Lives Matter Cayetano Garza (born 1972), American comic designer and illustrator Daniel Garza (born 1985), Mexican tennis player Daniel "Dani Doom" Garza, member of Design the Skyline Ed Garza (born 1969), American politician from Texas Emilio M. Garza (born 1947), American jurist Eugenio Garza Lagüera (1923–2008), Mexican businessman and philanthropist Eugenio Garza Sada (1892–1973), Mexican industrialist and philanthropist Jaime Garza (actor) (1954–2021), Mexican actor Jaime Garza (boxer) (born 1959), Mexican American boxer John Garza (born 1955), American politician José Garza, American lawyer and district attorney José María Garza Galán (1846–1902), Mexican politician from Coahuila Juan Raul Garza (1956–2001), American murderer Justin Garza (born 1994), American baseball player Lázaro Garza Ayala (1830–1913), Mexican politician from Nuevo León Luka Garza (born 1998), American basketball player Mariana Garza (born 1970), Mexican singer and actress Matt Garza (born 1983), American baseball player Mauricio Fernández Garza (born 1950), Mexican politician, businessman and collector Manuel Uribe Garza (1965–2014), one of the heaviest people who ever lived Pablo González Garza (1879–1950), Mexican general Pablo Garza (fighter) (born 1983), American mixed martial arts fighter Ralph Garza Jr. (born 1994), American baseball player Reynaldo G. Garza (1915–2004), Mexican American jurist Roque González Garza (1885–1962), Mexican president Tony Garza (born 1959), Mexican-American politician and diplomat

A family of wrestlers: Angel Garza (born 1992), known in the US as Angel Garza Héctor Garza (1969–2013), ring name of Héctor Solano Segura; uncle of Angel and Humberto Humberto Garza Carrillo (born 1995), known as Humberto Carrillo

The three members of American band Los Lonely Boys: Henry Garza (born 1978), guitarist and vocalist Jojo Garza (born 1980), bass player and vocalist Ringo Garza (born 1981), drummer and vocalist

See also A. J. DeLaGarza (born 1987), American-born soccer player who also played for Guam Garza (disambiguation) De la Garza, a list of people with the surname