Family name Tuhon (Tuon 
, Tuhon 
) , worldwide, is a rare last name. The family name Tuhon is habitual in Cayman Islands, where it is quite a rare surname, Cambodia, where it is a rare surname, and Switzerland. Measured by absolute frequency, it most frequently occurs in Brazil, the United States, and Italy. Much less frequently, Tuhon is the forename as well as the last name.