First recorded as a given name of Latvians in 1441. Ultimately of Old Norse origin. Cognate to English Olaf.
- A male given name.
- Klāvs Siliņš: Latviesu personvārdu vārdnīca. Riga "Zinātne" 1990, →ISBN
-  Population Register of Latvia: Olafs was the only given name of 363 persons in Latvia on May 21st 2010.