| Ernest Brown Babcock | |
| Birth Date: | July 10, 1877 |
| Death Date: | December 8, 1954 |
| Fields: | Botany |
| Workplaces: | University of California, Berkeley |
| Doctoral Students: | Marion Elizabeth Stilwell Cave |
| Author Abbrev Bot: | Babc. |
Ernest Brown Babcock (July 10, 1877 – December 8, 1954) was an American plant geneticist who pioneered the understanding of plant evolution in terms of genetics.[1] He is particularly known for seeking to understand by field investigations and extensive experiments, the entire polyploid apomictic genus Crepis, in which he recognize 196 species.[2] He published more than 100 articles and books explaining plant genetics, including the seminal textbook (with Roy Elwood Clausen) Genetics in Relation to Agriculture.[3] He instructed Marion Elizabeth Stilwell Cave.[4]