Cognomen Stewel (Estival 
, Stiefel 
, Stewel 
) , in the entire world, is quite a common family name. The last name Stewel is characteristic of Western Europe, particularly Switzerland, where it is quite a common surname, Germany, where it is quite a rare surname, and France. Measured by absolute frequency, the name is most common in Germany, the United States, and France. Much less frequently, Stewel is the forename as well as the last name.