Walter Gerardo Pandiani Urquiza (born 27 April 1976) is a Uruguayan footballer who plays as a striker for Swiss club Lausanne-Sport. Nicknamed El Rifle (the rifle), his best assets are his strength and aerial ability.

His performances for Peñarol earned him a move to Deportivo de La Coruña in Spain, where he remained for the vast majority of his career, also representing Mallorca, Espanyol (twice) and Osasuna. He also spent a year with Birmingham City in England.