| Birth Date: | 30 August 1987 |
| Birth Place: | San Juan del Río, Mexico |
| Sport: | Taekwondo |
| Event: | -49 Kg |
| Updated: | 26 July 2012 |
Jannet Alegría Peña (born August 30, 1987, in San Juan del Río, Mexico) is Mexican taekwondo practitioner.
In 2011, she participated at the 2011 Pan American Games where she won the bronze medal at the -49 kg category.[1] Later in 2012 she qualified directly to participate at the 2012 Summer Olympics, making her Olympic debut.[2] She beat Raya Hatahet in her first match, before losing to Brigitte Yagüe in the quarter-final.[3] In the repechage, she beat Carolena Carstens, before losing her bronze medal match to Lucija Zaninović in sudden death overtime.