Other Uses
- The Helena Morpho (Morpho helena) is a butterfly of the Nymphalidae family.
- Battle of Helena
- "Helena", theoretical founding ancestor of Haplogroup H (mtDNA)
- "Helena", name used in ancient Greece for the phenomenon now referred to as St. Elmo's fire
- 101 Helena, main belt asteroid
- Helena can be used as a unit of measurement, factoring in height and weight
- Helmholtz Graduate School Environmental Health (HELENA)
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