Maia is a Portuguese surname. Notable people with the surname include:

• Alfredo Maia (born 1962), Portuguese politician
• Bruna Reis Maia (born 1995), Brazilian actress and model, known as Bruna Marquezine
• Beatriz Haddad Maia (born 1996), Brazilian professional tennis player
• César Maia (born 1945), mayor of Rio de Janeiro, Brazil
• Circe Maia (born 1932), Uruguayan poet and translator
• Deidson Araújo Maia, aka Veloso, (born 1983), Brazilian footballer
• Demian Maia (born 1977), Brazilian jiu-jitsu and mixed martial arts fighter
• Gonçalo Mendes da Maia (c.1079–1170), Portuguese knight
• Luizão Maia (1949–2005), Brazilian musician
• Mel Maia (born 2004), Brazilian actress
• Miguel Maia (born 1971), Portuguese beach volleyball player
• Nuno Leal Maia (born 1947), Brazilian actor
• Salgueiro Maia (1944–1992), Portuguese captain during the Carnation Revolution
• Tim Maia (1942–1998), Brazilian musician

• House of Maia
• Maia (name)