Gustavo Julio Alfaro is an Argentine football manager and former player who currently serves as the head coach of the Paraguay national football team. While his playing career was relatively brief, Alfaro made a notable impact as captain of Atlético de Rafaela, leading the team to promotion to the Argentine Primera División in 1989.

As a manager, Alfaro is known for his tactical organization, disciplined approach, and ability to develop competitive teams. His experience in both domestic and international football has helped him build a reputation for strong leadership and strategic insight, which he now brings to the Paraguay national team.