EMTA may refer to:

• Embedded Multimedia Terminal Adapter, a combination cable modem and telephone adapter
• Endless Mountains Transportation Authority (now BeST Transit, serving Bradford, Sullivan, and Tioga counties in Pennsylvania)
• Erie Metropolitan Transit Authority
• European Metropolitan Transport Authorities
• Estonian Academy of Music and Theatre
• Emergency Medical Technician Ambulance

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• List of Sites of Special Scientific Interest in Gwynedd
• List of Sites of Special Scientific Interest in Isle of Anglesey
• List of Sites of Special Scientific Interest in Merthyr Tydfil
• List of Sites of Special Scientific Interest in Monmouthshire
• List of Sites of Special Scientific Interest in Neath Port Talbot
• List of Sites of Special Scientific Interest in Newport
• List of Sites of Special Scientific Interest in Pembrokeshire
• List of Sites of Special Scientific Interest in Powys
• List of Sites of Special Scientific Interest in Rhondda Cynon Taf
• List of Sites of Special Scientific Interest in Swansea
• List of Sites of Special Scientific Interest in Torfaen
• List of Sites of Special Scientific Interest in Vale of Glamorgan
• List of Sites of Special Scientific Interest in Wrexham
• List of sites on the Queensland Heritage Register in Toowoomba
• List of sites on the Queensland Heritage Register in Warwick
• List of sitting judges of the Supreme Court of India
• List of SIU Edwardsville Cougars men's basketball head coaches
• List of six-eyed spiders
• List of six eyed spiders
• List of Six Flags Fiesta Texas attractions
• List of six-man football fields in Texas
• List of six-man football stadiums in Texas
• List of Six Nations Championship hat-tricks
• List of Six Sigma certification organizations