Rajan is a distinctive boys' name in United States, ranking #2838 in 1998 with 29 recorded births. The name reached its all-time peak in 2007 with 35 births ranking #3229. Since 1996, the popularity has increased by 38.1%. In 1998, approximately 1 in every 65,908 boys born was named Rajan. RISING Recent data shows the name is currently rising.