MEP may refer to: Member of the European Parliament, an elected politician in the European Union Mechanical Electrical and Plumbing, a part of the building design industry Maximum Entropy Principle, a probability distribution used in statistics theory Mean effective pressure, of internal combustion engines Media embedded Processor, a CPU design from Toshiba Semiconductor Meopham railway station, England, station code MEP Message Exchange Pattern, a communications protocol concept Microel… (More on Mep)