Barros is a Portuguese and Galician surname. It may refer to:

• Alejandra Barros, Mexican actress
• Alessandra Barros (born 1979), Brazilian curler
• Alex Barros, Brazilian motorcycle road racer
• Ana Beatriz Barros, Brazilian model
• Ana P. Barros, American civil and environmental engineer
• Antônio Carlos de Mariz e Barros, Brazilian navy officer
• César Barros (fencer), Chilean fencer
• Augusto Barros (1929-1998), Portuguese painter, also known as Barros, and Augusto Barros Ferreira
• Dana Barros, United States basketball player
• Diego Barros Arana, Chilean educator, diplomat, and historian
• Flavio Barros, Brazilian footballer
• Giovanna Barros (born 2001), Brazilian curler
• Guillermo Barros Schelotto, Argentine footballer
• Gustavo Barros Schelotto, Argentine footballer and twin brother of Guillermo
• Iván Fandiño Barros (1980–2017), Spanish bullfighter
• José Barros, Colombian musician
• Juan José Barros, Colombian-born Peruvian footballer
• Leila Barros, Brazilian volleyball player
• Luis Barros Borgoño, Chilean politician
• Luiz Cláudio Barros (born 1978), Brazilian footballer
• Marisa Barros, Portuguese long-distance runner
• Pía Barros (born 1956), Chilean writer
• Ramón Barros Luco, President of Chile between 1910 and 1915
• Rui Barros, Portuguese footballer
• Zoila Barros, Cuban volleyball player
• Lisa Barros D'Sa, British actress and director

• Barros, Asturias, parish within the town of Langreo, in the Spanish province of Asturias
• Orocovis, Puerto Rico, former name of Orocovis municipality in Puerto Rico
• Barros, Orocovis, Puerto Rico, a barrio

• Barros Luco, sandwich named after Ramón Barros Luco.
• Barros Jarpa, sandwich named after Ernesto Barros Jarpa.

For people with the surname de Barros see De Barros