Kristoff is a distinctive boys' name in United States, ranking #2886 in 2015 with 41 recorded births. The name reached its all-time peak in 2015 with 41 births ranking #2886. Since 1996, the popularity has increased by 241.7%. In 2015, approximately 1 in every 46,738 boys born was named Kristoff. FALLING Recent data shows the name is currently falling.