Cognomen Luderman (Luderman 
) , in the world, is a rare last name. The cognomen Luderman is habitual in New Zealand, where it is a very rare surname, the United States, and the United Kingdom. Not in comparison with a country's population, this name is the most popular in the United States, the United Kingdom, and Australia. More frequently, Luderman is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Luderman | Democratic Republic of the Congo, United Kingdom, Australia, Germany, United States |