Surname コノン (Conon 
, コノン 
) , globally, is a rare family name. The family name コノン is characteristic of Romania, where it is quite a rare surname, Hungary, where it is a rare surname, and Japan, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in Romania, Japan, and Indonesia. Very seldom, コノン is the forename as well as the last name.