Olaf is a distinctive boys' name in United States, ranking #6692 in 1998 with 9 recorded births. This places Olaf in the bottom 41% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2008 with 22 births ranking #4495. In 1998, approximately 1 in every 212,369 boys born was named Olaf. STABLE Recent data shows the name is currently stable.