The Quidditch Union for the Administration and Betterment of the British League and its Endeavours (or Q.U.A.B.B.L.E.) is a Quidditch organisation. It may or may not be directly affiliated with the Ministry of Magic. The head of this organisation is Dunbar Oglethorpe. The union was associated with the publication of a revised edition of Quidditch Teams of England and Ireland published by Merge, and therefore its author Miro Limus may have been a member, as might Luccas Carusus, who wrote the edition's foreword.