| Abbreviation | Definition |
|---|---|
| OTJ | Office of Tribal Justice |
| OTL | On The List |
| OTLA | Oklahoma Trial Lawyers Association |
| OTLA | Oregon Trial Lawyers Association |
| OTLC | Organize to Legalize Cannabis |
| OTOC | Otherwise Taken Out Of Court |
| OTP | Office of The Prosecutor |
| OTS | One Time Settlement |
| OTW | Over The Wall |
| OTY | O'Brien, Tanski & Young Attorneys |
| OUI | Operating Under The Influence |
| OUIL | Operating Under the Influence of Liquor |
| OUO | Of Unknown Origin |
| OVC | Occupational Violent Crime |
| OVC | Other Various Considerations |
| OVI | Operating Vehicle while under the Influence |
| OVI | Out of Vehicle for Investigation |
| OVS | Oregon versus Schwartz |
| OWB | Operations- West Bureau |
| OWE | Owen, Wickersham, & Erickson |