ND
- nd – (s) Northern Ndebele language (ISO 639-1 code)
- Nd – (s) Neodymium
- ND
- (i) Non-Disclosure
- (s) North Dakota (postal symbol)
- NDAA – (i) U.S. National Defense Authorization Act
- NDBP – (i) Non-Departmental Public Body (Scotland)
- NDCC – (i) New Directions Counseling Center (Concord, California)
- nde – (s) Northern Ndebele language (ISO 639-2 code)
- NDH
- (i) Neue Deutsche Härte (German, "new German hardness"—heavy metal genre)
- Nezavisna Država Hrvatska (Croatian, "Independent State of Croatia"—Nazi puppet state)
- ndo – (s) Ndonga language (ISO 639-2 code)
- N-dof or NDOF – (i) Number of Degrees of Freedom
- NDP – (i) New Democratic Party (Canada)
- NDS – Nintendo DS
- NDU – (i) National Defense University (Washington, DC)
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