Surname 良明 (良明 
, Liangming 
, Yoshiaki 
) , worldwide, is quite a common family name. The family name 良明 is characteristic of Japan, where it is quite a rare surname, Singapore, where it is a rare surname, and Taiwan. Measured by absolute frequency, this name is the most popular in Eastern Asia, particularly China, Japan, and Taiwan. More frequently, 良明 is the forename as well as the last name.