Radek is a distinctive boys' name in United States, ranking #10362 in 2015 with 7 recorded births. This places Radek in the bottom 26% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2009 with 17 births ranking #5488. In 2015, approximately 1 in every 273,751 boys born was named Radek. FALLING Recent data shows the name is currently falling.