| Acronym | Definition |
|---|
| NTO | Nederlandse Thuiswinkel Organisatie (Dutch: Dutch Home Shopping Organization) |
| NTO | National Technology Officer |
| NTO | New Take Off (automotive industry) |
| NTO | New Tech Odessa (Odessa, TX) |
| NTO | Network Terminal Option |
| NTO | Nitrotriazolone (explosive) |
| NTO | Notice to Owner |
| NTO | National Training Organisation (UK) |
| NTO | Nitrogen Tetroxide |
| NTO | NHRC (Naval Health Research Center) Travel Office |
| NTO | Northern Orion Resources, Inc (stock symbol) |
| NTO | National Tourism Organization |
| NTO | National Tourist Office (hospitality industry) |
| NTO | Nowa Trybuna Opolska (Polish: New Opole Tribune) |
| NTO | Nontraditional Occupation |
| NTO | No Technical Objection (where design authority has no objection to a proposed change) |
| NTO | National Tax Office |
| NTO | Non-Testimonial Order (judicial action) |
| NTO | Network Tasking Order |
| NTO | Notice of Timber Operations |
| NTO | Nevada Test Organization |
| NTO | New Tyneside Orchestra (UK) |
| NTO | Network Terminal Operator |
| NTO | New Tape-Out (integrated circuit foundry industry) |
| NTO | Natural Tapering Off (My Boys TV show) |