The 2023 Six Nations Championship is the 24th Six Nations Championship, an annual rugby union tournament contested by the men's national teams of England, France, Ireland, Italy, Scotland and Wales. Unlike the Rugby World Cup, teams are not required to name a limited squad for the tournament, and may call up players freely for each match.
Note: Number of caps and players' ages are indicated as of 4 February 2023 – the tournament's opening day. For players added to a squad during the tournament, their caps and age are indicated as of the date of their call-up.