List of things named after Arnold Sommerfeld

Physics and mathematics
Arnold Sommerfeld was a German theoretical physicist whom the following is named after:
 * Sommerfeld coefficient
 * Sommerfeld constant (α)
 * Sommerfeld expansion
 * Sommerfeld effect
 * Sommerfeld identity
 * Sommerfeld number
 * Sommerfeld parameter
 * Sommerfeld radiation condition
 * Sommerfeld's approximation
 * Sommerfeld–Goubau line
 * Sommerfeld–Kossel displacement law
 * Sommerfeld–Runge method
 * Sommerfeld–Watson representation
 * Sommerfeld–Wilson ratio
 * Sommerfeld–Zenneck surface wave
 * Bohr–Sommerfeld model
 * Sommerfeld–Wilson quantization
 * Drude–Sommerfeld model
 * Gamow–Sommerfeld factor
 * Grimm–Sommerfeld rule
 * Orr–Sommerfeld equation
 * Rayleigh–Sommerfeld diffraction theory

Astronomical objects

 * Sommerfeld crater
 * 32809 Sommerfeld, minor planet