Last name Witso (Witso 
) , in all the world, is a very rare cognomen. The surname Witso is characteristic of Norway, where it is a rare surname, Greece, where it is a very rare surname, and Canada. Very seldom, Witso is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Witso | Norway, Spain, Canada, United States, Greece |