| Melissa Díaz | |
| Fullname: | Melissa Milagros Díaz Caballero[1] |
| Birth Date: | 1983 10, df=yes[2] |
| Birth Place: | Lima, Peru |
| Height: | 1.65 m |
| Position: | Midfielder |
| Clubs1: | Sport Coopsol |
| Clubs2: | Universitario |
| Years3: | 2012–2013 |
| Clubs3: | Moratalaz |
| Years4: | 2013–2018 |
| Clubs4: | Vallecas |
| Years5: | 2018–2019 |
| Clubs5: | Pozuelo |
| Caps5: | 6+ |
| Goals5: | 0+ |
| Nationalyears1: | 2003–2014 |
| Nationalteam1: | Peru |
| Nationalcaps1: | 7 |
| Nationalgoals1: | 0 |
| Pcupdate: | 20 October 2019 |
| Ntupdate: | 20 September 2014 |
Melissa Milagros “Mel” Díaz Caballero (born 26 October 1983) is a Peruvian footballer who plays as a midfielder. She has been a member of the Peru women's national team.
Díaz played for Peru at senior level in two Copa América Femenina editions (2003 and 2014).