Onnika is a very rare girls' name that peaked in 2013 and has since faded.
Onnika is a girl name. In 2025 it ranked #14,483 for girl births in the United States (and #24,039 across all names), given to 6 babies. Onnika was first reported in SSA data in 2002 and peaked in 2013 (10 births).
Girls named Onnika per year · hover for count and girls rank · Source: U.S. Social Security Administration, national data 2002–2025 · U.S.+territories from SSA territory files (1998–2025) · SSA publishes a name only in years it was given to at least 5 babies, so a name may have been in use before — or between — the years shown here