The U.S. will play Finland on Aug. 30 in the first game of the tournament. The World Cup winner receives an automatic bid to the 2016 Summer Olympics in Rio De Janeiro, Brazil.
“Paul has prior experience at the National Team level having participated in the 2009 National Team mini-camp and offers us a veteran inside player who possesses attributes that can be beneficial for us,” USA Basketball National Team Managing Director Jerry Colangelo said.
Millsap averaged 17.9 points and 8.5 rebounds last season for the Hawks.
“I’m very excited about being added to the USA Men’s National Team roster," Millsap said. “I look forward to practicing with and competing against some of the NBA’s best for the honor of representing our country in Spain.”