Murphy's Laws starting with N (25 laws)
- Nick the Greek's Law
- Nienberg's Law
- Nies's Law
- Ninety-ninety Rule of Project Schedules
- Nixon's Rule
- Nobel Effect
- Noble's Law of Political Imagery
- Noble's Law of Political Imagery Corollary
- No. 3 Pencil Principle
- No. 3 Pencil Principle Corollary
- Nursing Mother Principle
- Nyquist's Theory of Equilibrium
