Rhett is a moderately popular boys' name in United States, ranking #188 in 2025 with 1,936 recorded births. The name reached its all-time peak in 2021 with 2,538 births ranking #149. Since 1996, the popularity has increased by 567.6%. In 2025, approximately 1 in every 882 boys born was named Rhett. FALLING Recent data shows the name is currently falling.