Hajun is a very rare boys' name that peaked in 2014 and remains in steady use.
Hajun is a boy name. In 2025 it ranked #12,690 for boy births in the United States (and #26,110 across all names), given to 5 babies. Hajun first appears in 2014 and peaked in 2014 (7 births).
Boys named Hajun per year · hover for count and boys rank · Source: U.S. Social Security Administration, national data 2014–2025 · U.S.+territories from SSA territory files (1998–2025)