Six members of Ireland's title-winning squad have made the shortlist - backs Rob Kearney, Andrew Trimble, Brian O'Driscoll and Jonathan Sexton and forwards Cian Healy and Jamie Heaslip.
The performance categories are proportionately weighted based on the different positions by an algorithm created by RBS and Accenture, official technology partner of the RBS 6 Nations.
According to match statistics, these are the best performing players across a set range of criteria in this year's RBS 6 Nations.
Now it is your chance to have the final say by voting who should be crowned the RBS Player of the Championship for 2014. Voting closes at midnight on Wednesday, March 19).
PAST PLAYER OF THE CHAMPIONSHIP WINNERS:
2013 - Leigh Halfpenny (Wales)
2012 - Dan Lydiate (Wales)
2011 - Andrea Masi (Italy)
2010 - Tommy Bowe (Ireland)
2009 - Brian O'Driscoll (Ireland)
2008 - Shane Williams (Wales)
2007 - Brian O'Driscoll (Ireland)
2006 - Brian O'Driscoll (Ireland)