Caiman is a distinctive boys' name in United States, ranking #10800 in 2001 with 5 recorded births. This places Caiman in the bottom 12% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2015 with 9 births ranking #8141. In 2001, approximately 1 in every 388,566 boys born was named Caiman. FALLING Recent data shows the name is currently falling.