James Percival (born 9 November 1983) is a rugby union player for Worcester Warriors in the RFU Championship after signing from Harlequins in the Summer of 2011.

Percival started at Worcester Warriors and gained International recognition as a member of Welsh Schools Under 18's and the England Under 21 team that won the 2004 Six Nations Grand Slam.

Percival spent much of the 2006–07 campaign with a successful on-loan spell at Bedford Blues to get post injury game time.

Percival left Northampton Saints to join Harlequins in the summer of 2007 and participated in successful Guinness Premiership and Heineken Cup campaigns.

At the end of the 2010/2011 Aviva Premiership campaign, Percival left Harlequins and signed a 2-year contract which saw him return to the newly promoted Worcester Warriors, and the club where he started his career.