Jessica Dahiana "Pirayú" Martínez Villagra[3] (born 14 June 1999) is a Paraguayan professional footballer who plays as a forward for Saudi Women's Premier League club Al-Hilal and the Paraguay women's national team.

She has previously been a regular member of the national under-20 and under-17 teams.

Martínez represented Paraguay at two South American Under-17 Women's Football Championship editions (2013 and 2016), two FIFA U-17 Women's World Cup editions (2014 and 2016), three South American U-20 Women's Championship editions (2014, 2015 and 2018) and two FIFA U-20 Women's World Cup editions (2014 and 2018).

[5] Scores and results list Paraguay's goal tally first

This biographical article related to women's association football in Paraguay is a stub.