Lantz is a distinctive boys' name in United States, ranking #13256 in 2020 with 5 recorded births. The name reached its all-time peak in 2006 with 18 births ranking #4972. Since 1996, the popularity has decreased by 70.6%. In 2020, approximately 1 in every 345,013 boys born was named Lantz. FALLING Recent data shows the name is currently falling.