W
- Wadati–Benioff zone (a.k.a. Benioff zone) – Kiyoo Wadati and Hugo Benioff
- Wahlund effect – Sten Gösta William Wahlund
- Wallace's line – Alfred Russel Wallace
- Walras' law – Léon Walras
- Wannier function, orbital – Gregory Wannier
- Wannier–Stark ladder (a.k.a. Stark ladder) – Gregory Wannier and Johannes Stark
- Warburg effect – Otto Warburg
- Waring's problem (a.k.a. Hilbert–Waring theorem) – Edward Waring (and David Hilbert)
- Weber–Fechner law (Weber's law, Fechner's law) – Ernst Heinrich Weber and Gustav Theodor Fechner
- Weberian apparatus – Ernst Heinrich Weber
- Weierstrass–Casorati theorem – Karl Theodor Wilhelm Weierstrass and Felice Casorati
- Weierstrass's elliptic functions, factorization theorem, function, M-test, preparation theorem – Karl Theodor Wilhelm Weierstrass
- Weissenberg effect – Karl Weissenberg
- Wess–Zumino–Witten model – Julius Wess, Bruno Zumino and Edward Witten
- Wess–Zumino model – Julius Wess, Bruno Zumino
- Weston cell – Edward Weston
- Wheatstone bridge – Sir Charles Wheatstone (improved and popularized it; the inventor was Samuel Hunter Christie)
- Whittaker function, Whittaker integral, Whittaker model – Edmund Taylor Whittaker
- Whittaker–Shannon interpolation formula – Edmund Taylor Whittaker, John Macnaghten Whittaker, Claude Shannon
- Widrow–Hoff rule – Bernard Widrow and Ted Hoff
- Wiedemann–Franz law – Gustav Wiedemann and Rudolf Franz
- Wiegand effect – John R. Wiegand
- Wien bridge (Wien's bridge), constant, effect, law – Wilhelm Wien
- Wiener filter, process – Norbert Wiener
- Wigmore chart – John Henry Wigmore
- Wigner energy, Wigner effect – Eugene Wigner
- Wigner–Seitz cell – Eugene Wigner and Frederick Seitz
- Willshaw network – David J. Willshaw
- Wilson cycle – John Tuzo Wilson
- Wilson effect (a.k.a. Schülen-–Wilson effect) – Alexander Wilson (and ? Schülen)
- Wilson–Bappu effect – Olin Chaddock Wilson and Manali Kallat Vainu Bappu
- Witten index – Edward Witten
- Wollaston prism – William Hyde Wollaston
- Woodward–Hoffmann rules – Robert Burns Woodward and Roald Hoffmann
- Woodward effect – James F. Woodward
- Wolf effect – Emil Wolf
- Wulf bands – Oliver R. Wulf
Read more about this topic: Scientific Phenomena Named After People