Ronaldo Iván Martínez Rolón is a Paraguayan professional footballer who plays as a forward for Argentine Primera División club Platense and the Paraguay national team. Known for his attacking instincts, Martínez is capable of playing as a central striker or in wider attacking positions, where he uses his speed, movement, and finishing ability to create goal-scoring opportunities.

He combines technical skill with physical presence, allowing him to challenge defenders, link up play, and contribute effectively in the final third. His versatility and tactical awareness make him an important offensive option for both his club and the Paraguay national team.