London Wasps is an English professional rugby union team. The men's first team, which forms London Wasps, was derived from Wasps Football Club who were formed in 1867 at the now defunct Eton and Middlesex Tavern in North London, at the turn of professionalism in 1999. London Wasps play at Adams Park, which is located in High Wycombe, Buckinghamshire.

London Wasps have won at least one of each of the major European competitions or knock-out tournaments in the past decade. The team compete in the English club competition, the Aviva Premiership, the Anglo-Welsh competition the LV= Cup and the European knock-out competition, the Amlin Challenge Cup.

They won the Heineken Cup in 2003-04 and 2006-07, the Anglo-Welsh Cup in 2006 and the Aviva Premiership in 1990, 1997, 2003-2005 and 2008.