Bydd cyllideb tymor hir yr UE, neu’r Fframwaith Ariannol Amlflynyddol (MFF), ar gyfer 2014-2020 yn pennu’r uchafswm y bydd modd ei wario ar feysydd polisi penodol (gan gynnwys y Cronfeydd Strwythurol a’r Polisi Amaethyddol Cyffredin) ym mhob cyllideb flynyddol dros y cyfnod o saith mlynedd.  Rhaid wrth unfrydedd rhwng Llywodraethau’r Aelod-wladwriaethau ar yr MFF ac am y tro cyntaf, rhaid hefyd cael sêl bendith Senedd Ewrop iddo.  Caiff ei drafod yng nghyfarfod Cyngor Ewrop ar 7-8 Chwefror.
The EU’s long-term budget, or Multiannual Financial Framework (MFF), for 2014-2020 will set out the maximum amounts that can be spent, and on which policy areas (including the Structural Funds and the Common Agricultural Policy), in the annual budgets during that seven-year period. The MFF is agreed on the basis of unanimity between the Governments of the Member States and, for the first time, must now be ratified by the European Parliament. It is due to be discussed at the European Council, on February 7-8.