Cognomen Kothny (Kothny 
) , around the globe, is a very rare last name. The cognomen Kothny is characteristic of Switzerland, where it is a very rare surname, Italy, and Germany. In absolute terms, it is the most numerous in Germany, Italy, and the United States. Much less frequently, Kothny is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kothny | Germany, Italy, Switzerland, Thailand, United States |
| hildegard kothny (b. 1909) |
|
|
|
wiradech kothny fencer, TH (b. 1979) |
|
| erwin kothny CZ |
|