| Age | 74 (age at death) |
| Birthday | 6 September, 1842 |
| Birthplace | Hollola, Finland |
| Died | 7 January, 1917 |
| Place of Death | Helsinki, Russian Empire |
| Zodiac Sign | Virgo |
Johan Petter Norrlin (6 September 1842 in Hollola – 7 January 1917 in Helsinki) was a Finnish botanist and a professor of botany at the University of Helsinki from 1879 to 1903. He was a pioneer of plant geography in Finland, and is also well known for his work on lichens and on the taxonomy of the apomictic taxa of the plant genera Hieracium and Pilosella.
