- Nonprofit
- Nonsuit
- Nonsupport
- Norris, George William
- Norris-Laguardia Act
- North American Free Trade Agreement
- North Atlantic Treaty Organization
- North Pacific Fisheries Convention, 1952
- Northwest Atlantic Fisheries Convention, 1949
- Northwest Ordinance
- Norton, Eleanor Holmes
- Notary Public
- Note
- Notes of Decisions
- Notice
- Novation
- Nuclear Nonproliferation Treaty
- Nuclear Power
- Nuclear Regulatory Commission
- Nuclear Weapons
- Nugatory
- Nuisance
- Null
- Nunc Pro Tunc
- Nuncupative Will
- Nuremberg Trials
