Maciel is a surname of several people. It is of Portuguese origin.

Notable people with this surname include:

• Maciel Lima Barbosa da Cunha, a Portuguese footballer
• Antonio Vicente Mendes Maciel, Brazilian abolitionist and insurrectionist
• Francisco Antonio Maciel, Montevidean Criollo industrialist and philanthropist.
• Francisco Maciel, Mexican tennis player
• Lucía Maciel, Argentine actress
• Marcial Maciel, Mexican founder of the Legion of Christ
• Marco Maciel, a Brazilian politician

• Austur-Hunavatnssysla
• Austur-Húnavatnssýsla
• Austurriki
• Austur-Skaftafellssysla
• Austur-Skaftafellssýsla
• Austurvollur
• Austurvöllur
• Austvagoya
• Austvollen Bluff
• Austvorren Ridge
• Austėja (given name)
• Ausubo
• Ausura Augusta
• Ausura Augusta's
• Auswaertiges Amt
• Auswaertsspiel
• Auswandererdenkmal
• Auswartiges Amt
• Auswartsspiel
• Auswitch Syndrome
• Auswitsch Syndrome
• Auswärtsspiel
• Auszugshaus
• Ausātas
• Au Tabor