| ATOC | Acoustic Thermography of Ocean Climate 
| Others |
| ATOC | Acoustic Thermometry of Ocean Climate
| Others |
| ATOC | Advanced Tactical Operations Course
| Others |
| ATOC | Advanced Tactical Oriented Controller
| Others |
| ATOC | Aerosals Tetrachloride Options Committee
| Others |
| ATOC | Ageacoustic Thermometry Of Ocean Climate
| Others |
| ATOC | Air Defense/ TMD (Theater Missile Defense) Operation Center
| Others |
| ATOC | Air Tactical Operations Center
| Others |
| ATOC | Air Terminal Operations Center
| Others |
| ATOC | All The Other Cars
| Others |
| ATOC | Allied Tactical Operations Center
| Others |
| ATOC | Amgen Tour Of California
| Others |
| ATOC | Any Type Of Cut
| Others |
| ATOC | Arctic Trucks Owners Club
| Others |
| ATOC | Association Of Train Operating Companies
| Others |
| ATOC | Association Train Operating Companies
| Others |
| ATOC | Auto Trail Owners Club
| Others |
| ATOC | Aviation Electronics Technician (ordnance) Chief Petty Officer
| Others |