Zetta is a distinctive girls' name in United States, ranking #16484 in 2014 with 6 recorded births. This places Zetta in the bottom 14% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2011 with 18 births ranking #7114. In 2014, approximately 1 in every 297,656 girls born was named Zetta. FALLING Recent data shows the name is currently falling.