Kristoff is a distinctive boys' name in United States, ranking #12524 in 2005 with 5 recorded births. The name reached its all-time peak in 2015 with 41 births ranking #2886. Since 1996, the popularity has decreased by 58.3%. In 2005, approximately 1 in every 399,429 boys born was named Kristoff. FALLING Recent data shows the name is currently falling.