Warnakulasuriya Patabendige Ushantha Joseph Chaminda Vaas is a former Sri Lankan international cricketer who represented the Sri Lanka national cricket team. He is a fast medium pace bowler and one of the most successful bowlers in international cricket. He was a part of the Sri Lankan squad which won the 1996 Cricket World Cup.

The 1996 Cricket World Cup, also called the Wills World Cup 1996 after the Wills Navy Cut brand produced by tournament sponsor ITC, was the sixth Cricket World Cup organised by the International Cricket Council (ICC). It was the second World Cup to be hosted by Pakistan and India but Sri Lanka were hosts for the first time. The tournament was won by Sri Lanka, who defeated Australia by seven wickets in the final on 17 March 1996 at the Gaddafi Stadium in Lahore, Pakistan.