| OIPE | Office of Initial Patent Examination 
| Others |
| OIPE | Office of Institutional Planning and Effectiveness
| Others |
| OIPE | Office of Institutional Planning and Effectiveness (Western Carolina University)
| Others |
| OIPE | One Incision Pararectal Extraperitoneal
| Others |
| OIPE | Optimization and Inverse Problems in Electromagnetism
| Others |