Joseph Erlanger | |
|---|---|
| Born | January 5, 1874 |
| Died | December 5, 1965 (aged 91) |
| Alma mater | Johns Hopkins School of Medicine |
| Awards | Nobel Prize in Medicine (1944) |

Joseph Erlanger (5 January, 1874- 5 December, 1965) was an American physiologist. He won the 1944 Nobel Prize in Physiology or Medicine, along with Herbert Spencer Gasser, for discovering that different nerve fibres have different functions.
He was of Jewish descent.