>
Cognomen Keigo (Keigo , ケイゴ , Кеиго ) , in the entire world, is a common last name. The cognomen Keigo is characteristic of Japan, where it is quite a common surname, Taiwan, where it is a rare surname, and Myanmar, where it is a very rare surname. Measured by absolute frequency, the name is most common in Eastern Asia, particularly Japan, China, and Taiwan. Much less frequently, Keigo is the forename as well as the last name.