Family name Vilmundarson (Vilmundarson 
) , globally, is a very rare surname. The cognomen Vilmundarson is characteristic of Iceland, where it is quite a common surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Vilmundarson | Iceland, United States |
| karl vilmundarson Icelandic athletics competitor (1909-1983), IS (b. 1909) |
|
|
| vilhjálmur vilmundarson Icelandic athletics competitor, IS (b. 1929) |
|
|
| ragnar o vilmundarson researcher |
|