MPN

MPN may refer to:

Manufacturer part number, an identifier
Memory part number, an identifier for computer memory
Master promissory note, a wide-encompassing accounting contract
Metal-phenolic network, a supramolecular coordination structure consisting of metal ions and polyphenols
Microsoft Partner Network, a network of Microsoft partner companies and vendors
MintPress News, an American left-wing news website
Mobil Producing Nigeria, a Nigerian petroleum company
Most probable number, a method for estimating counts from positive/negative data
Movimiento Popular Neuquino, a provincial political party in the province of Neuquén, Argentina
Mutual Progressive Network, a 1970s US radio network
Myeloproliferative neoplasms, a family of blood cancers in which excess cells are produced
RAF Mount Pleasant (IATA airport code), a British military base in the Falkland Islands