Jost is a derivative (German and Scandinavian) of the name Jodocus.
Jost is also a derivative of the Dutch and African name Joost.
Jost is also a derivative (German) of the English name Joyce.
Jost is also a derivative of the English and French name Justin.
See also the related form, the German Jodok.
Jost is not commonly used as a baby boy name. It is not in the top 1000 names. In 2018, within the family of boy names directly related to Jost, Justin was the most frequently used.
† English pronunciation for Jost: JH as in "joy (JH.OY)" ; AA as in "odd (AA.D)" ; S as in "see (S.IY)" ; T as in "tee (T.IY)"