Ludwig Boltzmann was an Austrian physicist famous for his founding contributions in the fields of statistical mechanics and statistical thermodynamics.
Boltzmann may also refer to:
24712 Boltzmann, a main-belt asteroid the Boltzmann brain, a thought experiment Boltzmann constant Boltzmann (crater), an old lunar crater Boltzmann distribution Boltzmann equation Boltzmann's entropy formula Boltzmann relation Stefan–Boltzmann law Stefan–Boltzmann constant