Carl Niclas von Hellens Latinized as Carolus Nicolaus Hellenius was a Finnish botanist. Trained under Carolus Linnaeus, he served as a demonstrator in botany at the Royal Åbo Academy. He was ennobled in 1816.
- Occupation
- botanist
- Citizenship
- Grand Duchy of Finland
- Born
- August 1, 1745, 1745
- Died
- January 16, 1820, 1820
