Pires

 ( Portuguese Patronymic Surnames ) 

Pires is a common surname in the Portuguese language, namely in Portugal and Brazil. It was originally a patronymic, meaning Son of Pedro or Son of Pero (). Its Spanish language equivalent is Pérez. It is a variant form of Peres. It may mean different things:

• Alda Ferreira Pires Barreto de Lara Albuquerque (1930–1962), Angolan-Portuguese writer
• Alfredo Pires (born 1964), Timor-Leste politician
• Aloísio Pires Alves (born 1963), Brazilian footballer
• Álvaro Henrique Alves Pires (born 1985), Brazilian footballer
• Anabela Braz Pires (born 1976), Portuguese singer and actress
• Arlindo do Carmo Pires Barbeitos (1940–2021), Angolan poet
• Cléo Pires (born 1982), Brazilian actress
• Cornélio Pires (1884–1958), Brazilian journalist, writer and folklorist
• Solomon Molcho (1500–1532), known as Solomon Molcho, a self-proclaimed Jewish Messiah
• Emília Pires, Timor-Leste Minister of Finance
• Felipe Pires (born 1995), Brazilian footballer
• Fernão Pires de Andrade (died 1523), Portuguese merchant and official
• Francisco Fortunato Pires (born 1948), São Toméan politician
• Gérard Pirès (born 1942), French film director and writer
• Glória Pires (born 1963), Brazilian actress
• Hilda Pires dos Reis (1919-2001), Brazilian composer
• Isabel Cristina Torreão Pires (born 1961), Brazilian serial killer and cannibal
• Isabel Pires (born 1990), Portuguese politician
• João Murça Pires (1917–1994), Brazilian botanist
• Jorge Costa Pires (born 1981), Portuguese footballer
• José Cardoso Pires (1925–1998), Portuguese writer
• José Mariano Rebelo Pires Gago, Portuguese high-energy physicist and Minister for Science
• Loick Pires (born 1989), English footballer
• Luís Pires (15th century/16th century), Portuguese explorer
• Maria do Carmo Trovoada Pires de Carvalho Silveira (born 1960), São Toméan politician
• Maria João Pires (born 1944), Portuguese pianist
• Mário Lemos Pires (1930–2009), last governor of Portuguese Timor
• Mário Pires (born 1949), Guinea-Bissau politician and former Prime Minister
• Nuno Pires, South African bioinformatician
• Paulo Pires (born 1967), Portuguese model and actor
• Pedro Pires (born 1934), President of Cape Verde
• Robert Pires (born 1973), French footballer
• Rosemir Pires (born 1978), Brazilian footballer
• Tomé Pires (1465–1540), first Portuguese envoy to China

• Peiris, Sinhala language surname of Português origin
• Pirez (disambiguation)
• Píriz, a surname
• Pires Ferreira family, an influential family from Brazil