The 2013 Six Nations Championship was a rugby union tournament played from 2 February to 16 March 2013. It was the 14th annual Six Nations Championship since the addition of Italy to the initial five of England, France, Ireland, Scotland and Wales, and the 119th season of the competition overall. Teams were permitted to name squads of unlimited size, but typically named between 30 and 35 players in their initial selections.
All ages, caps and clubs accurate as of 2 February 2013, the first day of the tournament. Additions to each squad following the initial announcements are indicated by an asterisk (*).
England
England head coach Stuart Lancaster named an initial 33-man squad for the tournament on 9 January 2013.
Note: Flags indicate national union for the club/province as defined by World Rugby.