Gustavo Javier Biscayzacú Perea (born October 5, 1978 in Montevideo, Uruguay), nicknamed grillito (little cricket), is a retired footballer and current manager of Racing Club de Montevideo.
In 2003 with Chilean club Unión Española, Biscayzacú was named by IFFHS as the fourth leading goal scorer of the world for the year with 31 goals.
He has spent time with nine different clubs, most recently with Nacional of Uruguay, where he has the record of being the second player to score a hat-trick in a game versus the archirrival Peñarol.
On 6 January 2010, he signed with Associação Portuguesa de Desportos of Brazil.
[1] Gustavo's son Xavier Biscayzacú is also a professional footballer, and is a youth international for Mexico.