| Acronym | Definition |
|---|
| OTIS➣Office of Technology and Information Services (various institutions) |
| OTIS➣Of Thee I Sing |
| OTIS➣Organization of Teratology Information Services |
| OTIS➣Overhead Travel Information System (automotive onboard computer) |
| OTIS➣Only the Illuminati Succeed (conspiracy theory) |
| OTIS➣Optical Transpose Interconnection System |
| OTIS➣Operative Term is Stimulate (on-line art archive; now SITO) |
| OTIS➣Only the Innocent Survive |
| OTIS➣Optimum Thermal Interpolation System |
| OTIS➣Online Transit Information System (Metropolitan Transit System MTS, San Diego, California) |
| OTIS➣Offender Tracking and Information System |
| OTIS➣Out There in Space |
| OTIS➣Optimal Thermal Interpolation System |
| OTIS➣Office of Telecommunication and Information Systems |
| OTIS➣Once-Through Integral System |
| OTIS➣Operations Terminal Information System (Southwest Airlines) |
| OTIS➣On Time Installed System Delivery (TL 9000) |
| OTIS➣Ocean Thermal Interpolation System (US Navy source for sea surface temperature) |
| OTIS➣Ocean Technological Information System |
| OTIS➣Optimum Tracking Information System |
| OTIS➣On-line Transaction Insurance System |