Johan Johnsen Havaas | |
|---|---|
| Born | (1864-10-19)October 19, 1864 |
| Died | April 27, 1956(1956-04-27) (aged 91) |
| Nationality | Norwegian |
| Scientific career | |
| Fields | Botany |
| Author abbrev. (botany) | Hav. |
Johan Johnsen Havaas (Havås) (19 October 1864–27 April 1956) was a farmer and botanist from Granvin in Hordaland.