Steffani is a distinctive girls' name in United States, ranking #15284 in 2007 with 7 recorded births. The name reached its all-time peak in 1997 with 25 births ranking #4357. Since 1996, the popularity has decreased by 58.8%. In 2007, approximately 1 in every 274,635 girls born was named Steffani. FALLING Recent data shows the name is currently falling.