Gustaf is a masculine name widely considered a Swedish variant of the name Gustav. The name likely means 'staff of the Geats, 'derived from the Old Norse elements *gautr* for 'Geat'and *stafr* for 'staff. 'Another etymology connects it to the name Gostislav, meaning 'glorious guest'in Medieval Slavic. The name has been borne by Swedish monarchs, including King Gustaf V, known for his diplomatic skills and public service. It retains a timeless appeal with a rich cultural background.
