Family name Frotjold (Frotjold 
) , in the world, is a very rare last name. The family name Frotjold is habitual in Northern Europe, particularly Norway, where it is a rare surname, and Sweden.
| VARIANT | COUNTRY |
|---|---|
| Frotjold | Norway, Sweden |
| alf frotjold Norwegian trade unionist (b. 1929) |
|