Jannet Alegría Peña (born August 30, 1987, in San Juan del Río, Mexico) is a Mexican taekwondo practitioner.

In 2011, she participated at the 2011 Pan American Games where she won the bronze medal at the -49 kg category.

[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.

This biographical article related to taekwondo in Mexico is a stub.