Gustaf V (born Oscar Gustaf Adolf)
King of Sweden
Gustaf VI Adolf (born Oscar Fredrik Wilhelm Olaf Gustaf Adolf)
King of Sweden
Carl XVI Gustaf (born Carl Gustaf Folke Hubertus)
King of Sweden
Gustaf Adolf Oscar Fredrik Arthur Edmund
Prince of Sweden, Duke of Västerbotten, father of Carl XVI Gustaf
Gustaf Caspar Orm Skarsgård
Swedish actor
(Nils) Gustaf Dalén
Swedish physicist and inventor; winner of the Nobel Prize
Gustaf Fröding
Swedish poet and writer
(Karl) Gustaf Patrik de Laval
Swedish engineer and inventor