Jessica Vall Montero (born 22 November 1988) is a Spanish competitive swimmer and breaststroke specialist.

She swims for Club Natació Sant Andreu, where she has trained for over five years with her coach Jordi Jou, ex-elite swimmer also for C.N.

Besides elite training, she is also working towards her master's degree in Bioethics from the Universidad Católica de Murcia (UCAM).

In the 2015 World Aquatics Championship in Kazan, Russia, Jessica took the bronze medal in the 200-meter breaststroke, setting a new Spanish record at 2:22:76.

Her training partner at Club Natació Sant Andreu, teenage Africa Zamorano, was one of the surprises on the female Olympic squad,[5] mainly made up of veterans: Mireia Belmonte, Melani Costa and Duane da Rocha.