| Mariana Jaleca | |
| Fullname: | Mariana Pereira Jaleca |
| Birth Date: | 8 October 1997 |
| Position: | Midfielder |
| Currentclub: | Marítimo |
| Youthyears1: | 2011–2012 |
| Youthclubs1: | Palmelense FC |
| Youthyears2: | 2012–2014 |
| Youthclubs2: | Quintajense FC |
| Youthyears3: | 2014–2015 |
| Youthclubs3: | CAC |
| Youthyears4: | 2015–2016 |
| Youthclubs4: | Estoril Praia |
| Collegeyears1: | 2017–2019 |
| College1: | Saint Francis Red Flash |
| Collegecaps1: | 46 |
| Collegegoals1: | 9 |
| Clubs1: | SF Damaiense |
| Caps1: | 6 |
| Goals1: | 1 |
| Years2: | 2020–2021 |
| Clubs2: | Orobica Calcio Bergamo |
| Years3: | 2021 |
| Clubs3: | Åland United |
| Caps3: | 20 |
| Goals3: | 3 |
| Years4: | 2021–2022 |
| Clubs4: | Fenerbahçe |
| Caps4: | 20 |
| Goals4: | 5 |
| Years5: | 2022–2023 |
| Clubs5: | Sparta Prague |
| Caps5: | 1 |
| Goals5: | 2 |
| Years6: | 2023– |
| Clubs6: | Marítimo |
| Caps6: | 0 |
| Goals6: | 0 |
| Nationalteam1: | Portugal U16 |
| Nationalyears1: | 2013 |
| Nationalcaps1: | 2 |
| Nationalgoals1: | 0 |
| Club-Update: | June 5, 2022 |
Mariana Pereira Jaleca (born 8 October 1997) is a Portuguese professional footballer, who plays for Marítimo in the Campeonato Nacional Feminino.[1] Previously she played for Fenerbahçe[2] and Sparta Prague.[3]