Cognomen Форсман (Forsman 
, Forssman , Форсман 
) , in the world, is quite a common family name. The surname Форсман is characteristic of Finland, where it is quite a common surname, Sweden, and New Zealand, where it is quite a rare surname. Measured by absolute frequency, it most frequently occurs in Sweden, Finland, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Forsman, Forssman | Sweden, South Africa, Finland, United States, New Zealand |
| Форсман | Russia, Ukraine |