- Accordion effect (physics) (waves)
- Acousto-optic effect (nonlinear optics) (waves)
- Aharonov–Bohm effect (quantum mechanics)
- Askaryan effect (particle physics)
- Asymmetric blade effect
- Auger effect (atomic physics) (foundational quantum physics)
- Aureole effect (atmospheric optical phenomena) (scientific terminology)
- Autler–Townes effect (atomic, molecular, and optical physics) (atomic physics) (quantum optics)
- B
- Barkhausen effect (condensed matter) (magnetism)
- Barnett effect (condensed matter) (magnetism)
- Bauschinger effect (classical mechanics) (materials science)
- Bernoulli effect (equations) (fluid dynamics) (wind power)
- Bezold–Brücke shift (optical illusions)
- Biefeld–Brown effect (physical phenomena) (propulsion)
- Black drop effect (astronomical transits)
- Blazhko effect (astronomy)
- Bridgman effect (electricity) (electromagnetism)
- Brookings effect (atmospheric science) (Curry County, Oregon) (Oregon coast) (Oregon geography) (winds)
C
- Cascade effect (spaceflight)
- Casimir effect (quantum field theory) (physical phenomena)
- Catapult effect (electromagnetism)
- Cheerio effect (fluid mechanics) (physics)
- Cherenkov effect (experimental particle physics) (fundamental physics concepts) (particle physics) (special relativity)
- Christiansen effect (optical filters)
- Christofilos effect (particle physics)
- Coanda effect (aerodynamics) (boundary layers) (physical phenomena)
- Common-ion effect (ions) (physical chemistry)
- Compton effect (astrophysics) (atomic physics) (foundational quantum physics) (observational astronomy) (quantum electrodynamics) (X-rays)
- Coriolis effect (atmospheric dynamics) (classical mechanics) (force) (physical phenomena) (urban legends)
- Cotton–Mouton effect (magnetism) (optics)
- D
- De Haas–van Alphen effect (condensed matter) (magnetism) (quantum physics)
- De Sitter effect (astrophysics)
- Dember effect (electrical phenomena) (physics)
- Doppler effect (Doppler effects) (radio frequency propagation) (wave mechanics)
- EEdison effect (atomic physics) (electricity) (Thomas Edison) (vacuum tubes)
- Efimov effect (physics)
- Einstein effect (disambiguation), several different effects in physics
- Einstein–de Haas effect (science)
- Electro-optic effect (nonlinear optics)
- Electrocaloric effect (cooling technology) (heat pumps)
- Electron-cloud effect (particle accelerators) (physics)
- Ettinghausen effect (condensed matter) (electrodynamics) (thermodynamics)
- Evershed effect (physics) (solar phenomena)
- Exciter (effect) (audio effects) (effects units)
- F
- Fåhræus–Lindqvist effect (blood) (fluid dynamics) (molecular and cellular biology)
- Faraday effect (magnetism) (optics)
- Ferroelectric effect (condensed matter physics) (electrical phenomena)
- Fink effect (anesthesia) (diffusion)
- Floating body effect (electronics) (semiconductors)
- Forbush effect (cosmic rays) (solar phenomena)
- Fractional quantum Hall effect (physics)
- Franssen effect (acoustics) (sound perception)
- Franz–Keldysh effect (condensed matter) (electronic engineering) (electronics) (optics) (optoelectronics)
- Free surface effect (fluid mechanics)
- G
- Garshelis effect (electric and magnetic fields in matter) (magnetism) (physics)
- Geodetic effect (relativity)
- Giant magnetoresistive effect (condensed matter physics) (electric and magnetic fields in matter) (quantum electronics) (spintronics)
- Gibbons–Hawking effect (general relativity)
- Glasser effect (physics)
- Goos–Hänchen effect (optical phenomena)
- Gull effect (diodes) (microwave technology) (physics) (terahertz technology)
H
- Hall effect (condensed matter physics) (electric and magnetic fields in matter)
- Hanbury Brown and Twiss effect (quantum optics)
- Hot chocolate effect (acoustics) (physics) (wave mechanics)
- I
- Imbert–Fedorov effect (optical phenomena)
- Inert pair effect (atomic physics) (inorganic chemistry) (quantum chemistry)
- Inverse Doppler effect (Doppler effects) (wave mechanics)
- Inverse Faraday effect (electric and magnetic fields in matter) (optical phenomena)
J
- Jahn–Teller effect (condensed matter physics) (inorganic chemistry) (organometallic chemistry) (quantum chemistry)
- Johnsen–Rahbek effect (classical mechanics) (electrical engineering)
- Joule-Thomson effect (thermodynamics)
- Josephson effect (condensed matter physics) (sensors) (superconductivity)
- Jupiter effect (astronomy) (science book)
K
- Kapitsa–Dirac effect (physics)
- Kautsky effect (fluorescence)
- Kaye effect (fluid dynamics)
- Kerr effect (nonlinear optics)
- Klein–Nishina formula (quantum field theory)
- Kohn effect (physics)
- Kondo effect (condensed matter physics) (electric and magnetic fields in matter) (physical phenomena)
- Kozai effect (astronomy) (celestial mechanics)
- L
- Landau–Pomeranchuk–Migdal effect (high-energy physics)
- Lazarus effect (particle detectors)
- LCD memory effect (display technology)
- Leidenfrost effect (physical phenomena)
- Lenard effect (physics)
- Lense–Thirring precession (effects of gravitation) (tests of general relativity)
- Little–Parks effect (condensed matter physics)
- Lockin effect (physics)
- M
- Mach effect
- Magnetic isotope effect (physics)
- Magneto-optic effect (electric and magnetic fields in matter) (optical phenomena)
- Magneto-optic Kerr effect (condensed matter physics) (electric and magnetic fields in matter) (optical phenomena)
- Magnus effect (fluid dynamics)
- Malter effect (physics)
- Marangoni effect (fluid dynamics) (fluid mechanics) (physical phenomena)
- Meissner effect (levitation) (magnetism) (superconductivity)
- Meitner–Hupfeld effect (particle physics)
- Memory effect (electric batteries)
- Mikheyev–Smirnov–Wolfenstein effect (particle physics)
- Mössbauer effect (condensed matter physics) (nuclear physics) (physical phenomena)
- N
- Nernst effect (electrodynamics) (thermodynamics)
- Network effect (business models) (economics effects) (information technology) (monopoly [economics]) (networks) (transport economics)
- Non-thermal microwave effect (chemical kinetics)
- Nordtvedt effect (astronomy) (astrophysics) (effects of gravitation) (relativity) (theoretical physics)
- O
- Okorokov effect (physics)
- Onnes effect (condensed matter physics) (fluid mechanics) (helium)
- Opposition effect (astronomy) (optical phenomena) (observational astronomy) (radiometry) (scattering, absorption and radiative transfer [optics])
- P
- Paschen–Back effect (atomic physics) (atomic, molecular, and optical physics) (magnetism)
- Pauli effect (experimental physics) (parapsychology) (psychokinesis)
- Peltier–Seebeck effect (thermoelectric effect) (electricity) (HVAC) (physical phenomena) (thermodynamics)
- Photoacoustic Doppler effect (Doppler effects) (radar signal processing) (radio frequency propagation) (wave mechanics)
- Photoelectric effect (Albert Einstein) (electrical phenomena) (foundational quantum physics)
- Photorefractive effect (nonlinear optics)
- Photothermal effect (particle physics) (photochemistry) (physics)
- Physical effect (physics)
- Poynting–Robertson effect (celestial mechanics)
- Primakoff effect (particle physics)
- Proximity effect (atomic physics) (nuclear physics) (physics)
- Proximity effect (audio) (acoustics)
- Proximity effect (electromagnetism) (electrical engineering)
- Proximity effect (electron beam lithography) (condensed matter physics)
- Proximity effect (superconductivity) (superconductivity)
- Q
- QMR effect (electric and magnetic fields in matter) (magnetism) (optics) (optical phenomena)
- Quantum confined stark effect (quantum mechanics)
- Quantum Hall effect (Hall effect) (condensed matter physics) (quantum electronics) (spintronics)
- Quantum Zeno effect (quantum measurement)
R
- Raman effect (physics)
- Ramsauer–Townsend effect (physical phenomena) (scattering)
- Rebound effect (conservation) (energy) (energy conservation)
- Relativistic Doppler effect (Doppler effects) (special relativity)
- Renner–Teller effect (molecular physics)
- Reverse Cerenkov effect (physics)
- Rossiter–McLaughlin effect (Doppler effects) (extrasolar planets) (spectroscopy) (star systems)
S
- Sagnac effect (optics) (relativity)
- Sachs–Wolfe effect (astronomy) (physical cosmology)
- Scharnhorst effect (quantum field theory)
- Seeliger effect (astronomy) (observational astronomy)
- Shapiro effect (effects of gravitation)
- Shielding effect (atomic, molecular, and optical physics) (atomic physics) (chemistry) (quantum chemistry)
- Shower-curtain effect (fluid dynamics)
- Shubnikov–de Haas effect (science)
- Smith–Purcell effect (physics) (quantum optics)
- Spin Hall effect (condensed matter physics) (Hall effect) (physics) (spintronics)
- Stark effect (atomic physics) (foundational quantum physics) (physical phenomena)
- Stewart–Tolman effect (electrodynamics)
- Sunyaev–Zel'dovich effect (physical cosmology) (radio astronomy)
- T
- Tesla effect (wireless energy transfer) (electric power transmission systems) (electricity distribution) (energy development) (Nikola Tesla)
- Thermal flywheel effect (heat) (thermodynamics)
- Thermal Hall effect (condensed matter) (Hall effect) (superconductivity)
- Threshold effect (particle physics) (physics) (renormalization group)
- Transformer effect (electrodynamics)
- Transverse flow effect (aerodynamics)
- Triboelectric effect (electrical phenomena) (electricity)
- Twomey effect (air pollution) (atmospheric radiation) (clouds, fog and precipitation)
- Tyndall effect (physical phenomena) (scattering)
U
- Umov effect (astronomy) (observational astronomy) (planetary science)
- Unruh effect (quantum field theory) (thermodynamics)
V
- Voigt effect (magnetism) (optics)
- W
- Weissenberg effect (physics)
- Wigner effect (condensed matter physics) (nuclear technology) (physical phenomena) (radiation effects)
- Wilson effect (astronomy) (Sun)
- Wilson–Bappu effect (physics)
X
Y
- Yarkovsky effect (celestial mechanics)
- Yarkovsky–O'Keefe–Radzievskii–Paddack effect (celestial mechanics)
Z
- Zeeman effect (atomic physics) (foundational quantum physics) (magnetism) (physical phenomena)
- Zeigarnik effect (cognitive biases) (educational psychology) (learning) (psychological theories)