Ondrej is a distinctive boys' name in United States, ranking #10513 in 2003 with 6 recorded births. This places Ondrej in the bottom 18% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2008 with 8 births ranking #9620. In 2003, approximately 1 in every 329,212 boys born was named Ondrej. STABLE Recent data shows the name is currently stable.