Where does “Olof” come from?

Olof (Swedish) comes from Old Norse Álǫf, from Proto-Norse *ᚨᚾᚢᛚᚨᛁᛒᚢ, from Proto-Germanic *Anulaibō.

Ancestry of “Olof”, step by step

Step	Language	Word	Meaning
1	Old Norse	Álǫf	—
2	Proto-Norse	*ᚨᚾᚢᛚᚨᛁᛒᚢ	—
3	Proto-Germanic	*Anulaibō	—