| OTL | Obd Threshold Limits 
| Others |
| OTL | Obese Taiwanese Leprechauns
| Others |
| OTL | Occupational Therapist Licensed
| Others |
| OTL | Of The Lake
| Others |
| OTL | Offer To Lease
| Others |
| OTL | Office for Teaching and Learning
| Others |
| OTL | Office of Teaching and Learning
| Others |
| OTL | Office of Technology Licensing
| Others |
| OTL | Oklahoma Tank Lines
| Others |
| OTL | On The Level
| Others |
| OTL | On The List
| Others |
| OTL | On The Loose
| Others |
| OTL | One True Love
| Others |
| OTL | Online Teaching and Learning
| Others |
| OTL | Online Teaching Learning
| Others |
| OTL | Only The Lonely
| Others |
| OTL | Ontonagon Township Library
| Others |
| OTL | Open Thermal Label
| Others |
| OTL | Open Type Layout
| Others |
| OTL | Operations and Transport Liaison
| Others |
| OTL | Operator Type Library
| Others |
| OTL | Opportunity to Learn
| Others |
| OTL | Optative Theatrical Laboratories
| Others |
| OTL | Oracle Time and Labor
| Others |
| OTL | Oracle Top Link
| Others |
| OTL | Orange To Laurel
| Others |
| OTL | Orange Tree Licker
| Others |
| OTL | Ordnance Test Laboratory
| Others |
| OTL | Ordo Templi Luciferi
| Others |
| OTL | Orientation Team Leaders
| Others |
| OTL | Osi Testing Liaison
| Others |
| OTL | Our Time Line
| Others |
| OTL | Out To Lunch
| Others |
| OTL | Outline
| Others |
| OTL | Outline font description (Z-Soft Type Foundry)
| Others |
| OTL | Output Transformer Less
| Others |
| OTL | Output Transformer Loss
| Others |
| OTL | Outside the Lines
| Others |
| OTL | Outside Time Limit
| Others |
| OTL | Over The Limit
| Others |
| OTL | Over The Line
| Others |
| OTL | Over Time Limit
| Others |
| OTL | Over time lock
| Others |
| OTL | Over Time Loss
| Others |
| OTL | Over Total Lateness
| Others |
| OTL | Over-The-Line Tournament
| Others |
| OTL | Overhead Trust Ledger
| Others |
| OTL | Overtaking Lane
| Others |
| OTL | Ventura Publisher's Type Foundry Outline Editor format
| Others |