Surname Синохара (Shinohara 
, Sinohara 
, Синохара 
) , in the world, is quite a rare last name. The last name Синохара is characteristic of Guam, where it is a common surname, Cayman Islands, where it is quite a rare surname, and Taiwan, where it is a rare surname. Not in comparison with a country's population, it is commonest in Japan, Brazil, and the United States. Very seldom, Синохара is the forename as well as the last name.