Throughout the world, Thiebaut (Thiebaut 
, Thiébaut 
) is a rare predominantly masculine, but very infrequently female first name. The forename Thiebaut is characteristic of Western Europe, particularly France, where it is a rare predominantly masculine, but very seldom female name, and Belgium, where it is a very rare boy's name. Much more prevalently, Thiebaut is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Thiebaut | United States, France, South Africa, Belgium, Brazil |
| Thiébaut | United States, France, Belgium, Germany, Canada |