Cai Griffiths (born 5 January 1984) is a Welsh rugby union player who plays for London Welsh.
Griffiths' position of choice is as a Tighthead prop.
In December 2012 he rejoined former club Ospreys on loan.
On 4 July 2013, it was announced Griffiths to leave Ospreys following loan deal to join London Welsh for the 2013/14 season.
This Welsh rugby union biography is a stub.