Surname Keisen (Keisen 
) , in all the world, is a very rare cognomen. The surname Keisen is characteristic of Belgium, where it is a rare surname, Japan, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in Japan, Belgium, and Germany. Predominantly, Keisen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Keisen | Japan, Germany, Belgium, Taiwan, Venezuela |