Porsch is a variant[1] of the German language surname Borsch.[2] Notable people with the name include:
German: variant of Borsch.
German (Börsch): from a pet form of the medieval personal name Liborius. Possibly an altered spelling of Borsche, from a pet form of the Slavic personal name Borislav. Ukrainian and Jewish (from Belarus): nickname from borshch 'borscht (beet soup)'.