Last name Polychron (Polychron 
) , in all the world, is a very rare cognomen. The last name Polychron is habitual in New Zealand, where it is a very rare surname, the United States, where it is an extremely rare surname, and Brazil. Very seldom, Polychron is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Polychron | Greece, New Zealand, United States, Brazil |