Argentina's Juan Martin Hernandez and Felipe Contepomi are among the five nominees for the International Rugby Board's Player of the Year award.
Contepomi and Hernandez enjoy Argentina's win over Scotland
Hernandez and Contepomi have been instrumental in the Pumas' historic passage to the World Cup semi-finals.
France centre Yannick Jauzion, South Africa's Bryan Habana and New Zealand's Richie McCaw, last year's winner, are the other players to be shortlisted.
The winner will be named on 21 October, the day after the World Cup final.
IRB chairman Dr Syd Millar said: "The Player of the Year Award is the ultimate accolade for a player to receive in his career."
Previous winners include Keith Wood, Fabien Galthie, Jonny Wilkinson, Schalk Burger and Dan Carter.