The 2008 Harlequins Rugby League season was the twenty-ninth in the club's history and their thirteenth season in the Super League. The club was coached by Brian McDermott, competing in Super League XIII, finishing in 9th place and reaching the Fifth round of the 2008 Challenge Cup.
Source: superleague.co.uk Rules for classification: 1st on competition points; 2nd on match points difference. Competition points: for win = 2; for draw = 1; for loss = 0. (C) Champions; (L)League Leaders' Shield Winners