Kristoff is a distinctive boys' name in United States, ranking #8598 in 2004 with 8 recorded births. The name reached its all-time peak in 2015 with 41 births ranking #2886. Since 1996, the popularity has decreased by 33.3%. In 2004, approximately 1 in every 248,100 boys born was named Kristoff. FALLING Recent data shows the name is currently falling.