Isabel Bassett Wasson | |
|---|---|
 Wasson on a bridge, circa 1920 | |
| Born | January 11, 1897 |
| Died | February 21, 1994 (aged 97) |
| Nationality | American |
| Citizenship | United States |
| Scientific career | |
| Fields | Earth science, geology, ornithology |
Isabel Bassett Wasson (January 11, 1897 – February 21, 1994) was one of the first female petroleum geologists in the United States, the first female ranger at Yellowstone National Park, and also one of the first interpretive rangers (male or female) hired by the National Park Service.