| Aureliano Maestre de San Juan | |
| Birth Date: | 17 October 1828 |
| Birth Place: | Granada, Spain |
| Death Place: | Alicante, Spain |
| Nationality: | Spanish |
| Field: | Anatomy |
| Work Institution: | University of Granada, Complutense University of Madrid |
Aureliano Maestre de San Juan (October 17, 1828 - June 1, 1890) was a Spanish scientist, histologist, physician and anatomist. He is credited as being one of the first scientists to recognize the disorder known as Kallmann syndrome.[1] He died in 1890, having been blinded in a laboratory accident involving caustic soda two years earlier.