Ayer

• Ayer, Massachusetts, United States
• Ayer (CDP), Massachusetts, the central village in the town of Ayer
• Ayer (MBTA station), commuter rail station
• Ayer, Washington, United States
• Aller, Asturias, a municipality in Spain known in Asturian as Ayer
• Ayer, Switzerland, a municipality in the Val d'Anniviers, canton of Valais

• Ayer (surname)
• Iyer (also spelled Ayer or Ayyar), a Hindu Brahmin community from India

• "Ayer" (Enrique Iglesias song), a song by Enrique Iglesias
• "Ayer" (Gloria Estefan song), by singer-songwriter Gloria Estefan
• "Ayer" (Luis Miguel song), 1993 song by Luis Miguel
• "Ayer", 1992 song by Juan Luis Guerra and 440 from the album Areíto
• "In the Ayer" by rappers Flo Rida, Tiffany Villarreal, and will.i.am

• N. W. Ayer & Son, the first advertising agency in the United States

• Ayar (disambiguation)
• Ayyar (disambiguation)
• Iyengar (disambiguation)
• Iyar (disambiguation)

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