The term 'Name of Many Norwegian Kings' can be answered by two crossword solutions: Olav (4 letters) and Olaf (4 letters). Olav and Olaf are both names of Norwegian kings who have ruled the country throughout its history. Olav is a variant of the name Olaf, which is derived from the Old Norse name Áleifr. Olav was the name of several Norwegian kings, including Olav I Tryggvason, Olav II Haraldsson, and Olav III Magnusson. Olaf was also the name of several Norwegian kings, including Olaf I Tryggvason, Olaf II Haraldsson, and Olaf III Magnusson.