| COTC | Church Of The Creator | 造物主教堂 |
| COTC | Corn on the Cob | Cob上的玉米 |
| COTC | Canadian Officer Training Corps (Canada) | 加拿大军官训练团（加拿大） |
| COTC | Commanding Officer, Training Contingent | 训练特遣队指挥官 |
| COTC | Certificate Of Technical Competence | 技术能力证书 |
| COTC | Clan Of The Cats | 猫的家族 |
| COTC | Carnival Of The Canucks | Canucks狂欢节 |
| COTC | Canadian Officers Training Corps | 加拿大军官训练团 |
| COTC | Channel-Optimized Transform Code | 信道优化变换码 |
| COTC | Church Of The Creator (hate group) | 造物主教堂（仇恨团体） |
| COTC | Clan Of The Camper | 露营族 |
| COTC | Clan of the Cats (webcomic) | 猫族（网络漫画） |
| COTC | Central Ohio Technical College | 俄亥俄州中部技术学院 |
| COTC | Clan Of The Cauldron | 鼎族 |
| COTC | Carriers Of The Cross | 十字架的载体 |
| COTC | Carnival Of The Capitalists | 资本家狂欢节 |