Rambo is a distinctive boys' name in United States, ranking #8024 in 2016 with 10 recorded births. This places Rambo in the bottom 44% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2016 with 10 births ranking #8024. In 2016, approximately 1 in every 189,721 boys born was named Rambo. RISING Recent data shows the name is currently rising.