Lev Landau (1908 – 1968), Soviet physicist who made fundamental contributions to many areas of theoretical physics, is the eponym of the topics in physics listed below.

• Darrieus–Landau instability
• Derjaguin–Landau–Verwey–Overbeek theory
• Ivanenko–Landau–Kähler equation
• Ginzburg–Landau theory
• Guderley–Landau–Stanyukovich problem
• Landau damping
• Landau derivative
• Landau diamagnetism
• Landau distribution
• Landau's Fermi-liquid theory
• Landau gauge
• Landau kinetic equation
• Landau's phase transition theory
• Landau pole
• Landau potential
• Landau principle
• Landau quantization or Landau levels
• Landau–Hopf theory of turbulence
• Landau-Levich problem
• Landau–Lifshitz model
• Landau-Lifshitz pseudotensor
• Landau–Lifshitz–Gilbert equation
• Landau–Lifshitz aeroacoustic equation
• Landau–Peierls instability
• Landau–Placzek ratio
• Landau–Pomeranchuk–Migdal effect
• Landau-Raychaudhuri equation
• Landau-Squire jet
• Landau–Yang theorem
• Landau–Zener formula
• Stuart-Landau equation

Two celestial objects are named in his honour:

• the minor planet 2142 Landau.
• the lunar crater Landau.

• Film project DAU
• Korets-Landau leaflet
• Landau Gold Medal
• Landau Institute for Theoretical Physics