EEF
EEF is an abbreviation for:
- an aid project of the European Union : European Development Fund
 - the energy supplier Entreprises Électriques Fribourgeoises in Freiburg in Üechtland
 - Egyptian Expeditionary Force , command of British and Empire troops in Egypt during World War I.
 - Single wheel single trolleys according to the Frederich system, e.g. B. MGT6D
 
eEF is an abbreviation for:
- in the eukaryotic protein biosynthesis important elongation factors ( eukaryotic elongation factor )