| Acronym | Definition |
|---|
| NOI➣Net Operating Income |
| NOI➣Notice of Intent |
| NOI➣Nation of Islam |
| NOI➣Notice of Inquiry |
| NOI➣Notice of Interest |
| NOI➣Neuro Orthopaedic Institute |
| NOI➣New Organizing Institute |
| NOI➣Notice of Inspection (checked baggage) |
| NOI➣No Offense Intended |
| NOI➣No Other Information |
| NOI➣National Oilwell, Inc. (est. 1841; various locations) |
| NOI➣Nature of Illness |
| NOI➣National Orchestral Institute (College Park, MD) |
| NOI➣Notice of Infringement (copyright/trademark) |
| NOI➣National Olympiad in Informatics |
| NOI➣Non-Operational Intelligence (US Navy) |
| NOI➣Not Otherwise Indicated |
| NOI➣National Optics Institute |
| NOI➣Notizie Omosessuali Italiane (Italian) |
| NOI➣Not Otherwise Identified |
| NOI➣Notice of Injury |
| NOI➣Notes Object Interface (Lotus Notes development) |
| NOI➣Northern Optotronics Inc. (Canada) |
| NOI➣Number of Installments |
| NOI➣Node Operator Interface |
| NOI➣Notice of Involvement |
| NOI➣Nitrogen & Other Inerts |
| NOI➣Netherlands Oost-Indië |