OTLC
| Acronym | Definition |
|---|---|
| OTLC | On-Load Tap Changer (electrical appliance) |
| OTLC | Ottawa Technical Learning Centre (Ottawa, Canada) |
| OTLC | Object Technology Licensing Corporation (California) |
| OTLC | Online Teaching and Learning Certificate (various organizations) |
| OTLC | Out to Lunch Creations |
| OTLC | Olefin Traffic Lane Cleaner |
| OTLC | Open Tubular Liquid Chromatography |
| OTLC | On the Level Construction (various locations) |
| OTLC | Optimum Total Liquid Content at Compaction (asphalt) |