The 1981 World Championship Tennis Finals was a men's tennis tournament played on indoor carpet courts. It was the 11th edition of the WCT Finals and was part of the 1981 Volvo Grand Prix. The tournament was played at the Reunion Arena in Dallas, Texas in the United States and was held from April 27 through May 3, 1981. The winners of the eight WCT tournaments that were part of the 1981 Grand Prix circuit qualified for the tournament augmented by the next best performers in the WCT points standings. Guillermo Vilas qualified by winning the last tournament held just before the WCT Finals, the River Oaks Tournament in Houston, but was unavailable to play. Jimmy Connors withdrew before the tournament due to gastroenteritis and Yannick Noah could not participate due to a shoulder injury. They