PDU

PDU may stand for:

Project for Democratic Union, a European open-source think tank
Partia për Drejtësi dhe Unitet (Party for Justice and Unity), a former political party in Albania
Partidul Democrat al Unirii (Democratic Union Party), a political group in Romania
Paysandú Airport (IATA: PDU)
Power distribution unit, for electrical power
Protocol data unit, in telecommunications
Procedure defined unit, a unit of measurement relative to a specific application
Professional Development Units, credits toward certification or re-certification at Project Management Institute (PMI)