Angus Gardner (Australia) will referee Argentina v New Zealand in Saint-Denis on Friday, October 20.
He will be joined by assistant referees Nic Berry (Australia) and Karl Dickson (England) with Ben Whitehouse (Wales) as Television Match Official.
Ben O’Keeffe (New Zealand) will take charge of England v South Africa in Saint-Denis on Saturday, October 21.
He will be joined by assistant referees Andrew Brace (Ireland) and Paul Williams (New Zealand) and TMO Brendon Pickerill (New Zealand).
It will be the first World Cup semifinal for both Angus Gardner and Ben O’Keeffe.
Gardner will referee Argentina v New Zealand for the fifth time in what is his first Rugby World Cup knockout match as a referee.
