| COTC | Canadian Officers Training Corps 
| Others |
| COTC | Canadian Officers' Training Corps
| Others |
| COTC | Cancer Outpatient Treatment Clinic
| Others |
| COTC | Car Of The Century
| Others |
| COTC | Carnival Of The Canucks
| Others |
| COTC | Carnival Of The Capitalists
| Others |
| COTC | Carriers Of The Cross
| Others |
| COTC | Central Ohio Technical
| Others |
| COTC | Central Ohio Technical College
| Others |
| COTC | Central Ohio Triathlon Club
| Others |
| COTC | Central Oklahoma Telephone Co
| Others |
| COTC | Central Oklahoma Telephone Company
| Others |
| COTC | Central Oregon Track Club
| Others |
| COTC | Certificate Of Technical Competence
| Others |
| COTC | Chiefs of Transformation Conference
| Others |
| COTC | Children Of The Cemetery
| Others |
| COTC | Children Of The Corn
| Others |
| COTC | Christmas on the Chesapeake
| Others |
| COTC | Church of the Carpenter
| Others |
| COTC | Church of the City
| Others |
| COTC | Church Of The Creator
| Others |
| COTC | Church of the Cross
| Others |
| COTC | City of the Condemned
| Others |
| COTC | Clan Of The Camper
| Others |
| COTC | Clan Of The Cats
| Others |
| COTC | Clan Of The Cauldron
| Others |
| COTC | Clash Of The Champions
| Others |
| COTC | Community Outreach and Translation Core
| Others |
| COTC | Comparative Oncology Trials Consortium
| Others |
| COTC | Corn On The Cob
| Others |
| COTC | Corrections Online Training Collaborative
| Others |
| COTC | Craig Of The Creek
| Others |
| COTC | Cream of the Crop
| Others |
| COTC | cut out the C
| Others |