In the entire world, Siebolt (Siebolt 
) is a very rare boy's first name. Very seldom, Siebolt is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Siebolt | Canada, Netherlands, United States, Germany |
| siebolt sissingh Dutch association football player (1899-1960), NL (b. 1899) |
|