The International 20:20 Club Championship was an international Twenty20 competition for club cricket teams. It was held once, hosted by Leicestershire County Cricket Club from 15 to 17 September 2005. It featured the winners of the domestic Twenty20 competitions from England, Pakistan and Sri Lanka, as well as the Leicestershire Foxes and the PCA Masters XI, a composition of current and past players of international cricket from around the world. The winners were awarded £25,000.