| Pierina Montenegro | |
| Fullname: | Pierina Alejandra Montenegro Ventura[1] |
| Birth Date: | 1986 8, df=yes |
| Birth Place: | Uruguay |
| Position: | Defender |
| Currentclub: | Canelones–Fénix |
| Years1: | 2015–2017 |
| Clubs1: | Canelones–Fénix |
| Caps1: | 38 |
| Goals1: | 18 |
| Years2: | 2018 |
| Clubs2: | Nacional |
| Caps2: | 12 |
| Goals2: | 1 |
| Years3: | 2019– |
| Clubs3: | Canelones–Fénix |
| Caps3: | 14 |
| Goals3: | 3 |
| Nationalyears1: | 2018– |
| Nationalcaps1: | 4 |
| Nationalgoals1: | 0 |
| Ntupdate: | 12 April 2018 |
Pierina Alejandra Montenegro Ventura (born 12 August 1986) is a Uruguayan footballer who plays as a defender for Canelones–Fénix and the Uruguay women's national team.
Montenegro capped for Uruguay during the 2018 Copa América Femenina.