MNE, mne or MnE may mean: Ministry of Foreign Affairs (Portugal) (Ministério dos Negócios Estrangeiros), the Portuguese foreign affairs ministry MNE, the international vehicle registration code and ISO 3166-1 alpha-3 country code for Montenegro MNE, the National Rail station code for Manea railway station, Fenland, Cambridgeshire, England mne, the ISO 639-2 code for the Naba language Modern English (MnE), the form of the language spoken from roughly 1550 to the present Multinational enterprise, a multinational corporation See also Matters of Environmental Significance under the EPBC Act in Australia, known as MNES