Rayleigh
- Baron Rayleigh
- Charlotte Mary Gertrude Strutt, 1st Baroness Rayleigh
- John William Strutt, 3rd Baron Rayleigh
- Plateau–Rayleigh instability
- Raleigh (disambiguation)
- Rayl
- Rayleigh (Martian crater)
- Rayleigh (lunar crater)
- Rayleigh (unit)
- Rayleigh distribution
- Rayleigh fading
- Rayleigh law
- Rayleigh length
- Rayleigh number
- Rayleigh quotient
- Rayleigh scattering
- Rayleigh wave
- Rayleigh, British Columbia
- Rayleigh, Essex
- Rayleigh–Ritz method
- Rayleigh–Taylor instability
- Robert John Strutt, 4th Baron Rayleigh
- Silvers Rayleigh