These are constants that are named after a person.

- Avogadro's number/Avogadro constant
- Bohr radius
- Boltzmann constant (k)
- Brun's constant
- Einstein's constant (unofficial)
- Euler's constant (e)
- Faraday Constant (F)
- Hubble's constant
- Planck's constant (h)
- Rydberg constant
- Stefan-Boltzmann constant

/msg me for errors/omissions/suggestions. Thanks.