Riena is a very rare girls' name that peaked in 1988 and has grown less common since.
Riena is a girl name. In 2025 it ranked #16,758 for girl births in the United States (and #27,731 across all names), given to 5 babies. Riena first appears in 1976 and peaked in 1988 (6 births).
Girls named Riena per year · hover for count and girls rank · Source: U.S. Social Security Administration, national data 1976–2025 · U.S.+territories from SSA territory files (1998–2025)