| Vianney Marlen Trejo Delgadillo | |
| Nickname: | Golden Siren |
| Sport: | Paralympic swimming |
| Disability Class: | S6, SB5, SM6 |
| Club: | Mexican National Paralympic Training Centre |
| Coach: | Jose Pelaez Ampudia |
| Birth Date: | 2 August 1994 |
| Birth Place: | Mexico City, Mexico |
| Residence: | Mexico City, Mexico |
| Alma Mater: | Anahuac University |
| Height: | 1.50m |
| Show-Medals: | no |
Vianney Marlen Trejo Delgadillo (born 2 August 1994) is a Mexican Paralympic swimmer who competes in international level events.
She was born with a right arm malformation and underdeveloped legs.[1] [2] [3]