Kristoff is a distinctive boys' name in United States, ranking #7156 in 2000 with 9 recorded births. The name reached its all-time peak in 2015 with 41 births ranking #2886. Since 1996, the popularity has decreased by 25.0%. In 2000, approximately 1 in every 218,215 boys born was named Kristoff. FALLING Recent data shows the name is currently falling.