Steffani is a distinctive girls' name in United States, ranking #5743 in 1996 with 17 recorded births. This places Steffani in the top 36% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1997 with 25 births ranking #4357. In 1996, approximately 1 in every 103,115 girls born was named Steffani. FALLING Recent data shows the name is currently falling.