Rolf is a distinctive boys' name in United States, ranking #7705 in 2003 with 9 recorded births. The name reached its all-time peak in 2003 with 9 births ranking #7705. Since 1996, the popularity has increased by 12.5%. In 2003, approximately 1 in every 219,474 boys born was named Rolf. FALLING Recent data shows the name is currently falling.