Steffani is a distinctive girls' name in United States, ranking #10817 in 2005 with 10 recorded births. The name reached its all-time peak in 1997 with 25 births ranking #4357. Since 1996, the popularity has decreased by 41.2%. In 2005, approximately 1 in every 184,770 girls born was named Steffani. FALLING Recent data shows the name is currently falling.