Ayyampettai may refer to,

• Ayyampettai (Kancheepuram district), a town in Kancheepuram district, Tamil Nadu
• Ayyampettai (Vellore district), a village panchayat in Vellore district, Tamil Nadu
• Ayyampettai (Thanjavur district), a town in Thanjavur district, Tamil Nadu

• J.W. Alexander
• J. W. Alexander
• J-walk
• J. Wally McKenzie
• J. Walter Jones
• J. Walter Thompson
• J. Walter Thompson Co.
• J. Walter Thompson Company
• Jwaneng diamond mine
• J Ward
• Jwari
• J. Warren Bettis
• J. Warren Keifer
• J-Wave
• J. Wayne Mixon
• J.W.Chapman-Taylor
• J. W. Croker
• J.W. Dunne
• JW Dunne
• J. W. Dunne
• J. W. Eddy
• J. Wellington Wimpy
• J Wess
• J-Wess
• J Wess Presents tha LP