Globally, Arntsen (Arntsen 
) is an extremely rare unknown gender forename. Much more prevalently, Arntsen is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Arntsen | United Kingdom, United States, Norway, Sweden, Canada |
|
marte kaasa arntsen Norwegian radio and TV host, NO (b. 1979) |
|