Throughout the world, Richen (日晨 
, Richen 
, รีเจนท์ 
) is a rare unisex given name. The forename Richen is characteristic of Philippines, where it is a rare largely feminine, but seldom male name, Australia, where it is a very rare masculine name, and China. Measured by absolute frequency, the name is most common in China, Philippines, and India. Also, Richen is the last name as well as the forename.