| Acronym | Definition |
|---|
| NDO➣Non Degree Option (education) |
| NDO➣Nido Petroleum Limited (Australia) |
| NDO➣National Demining Office |
| NDO➣Naturopathic Doctors Ontario (Ontario, Canada) |
| NDO➣Neurogenic Detrusor Overactivity (nervous control mechanisms disorder) |
| NDO➣National Debt Office (UK) |
| NDO➣Neglect of Differential Overlap |
| NDO➣.NET Data Objects (trademark of House of Tools Development GmbH; Germany) |
| NDO➣Natural Draft Opening |
| NDO➣New Deadly Order (gaming clan) |
| NDO➣Network Design Office (Campus Information Technologies and Educational Services; University of Illinois at Urbana-Champaign) |
| NDO➣Ninth District Opportunity, Inc. (low-income assistance; Gainesville, GA) |
| NDO➣Novell Data Object |
| NDO➣Notre-Dame des Oiseaux (Catholic schools; Paris, France) |
| NDO➣National Database Organization (Pakistan) |
| NDO➣Navy Disbursing Office |
| NDO➣New Development Opportunities |
| NDO➣National Development Organisation |
| NDO➣Night and Day Orchestra (Beaumont, TX) |
| NDO➣National Dialling Only (telecommunications; UK) |