MNE, mne, or MnE may refer to:
Codes 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 Other uses Ministry of Foreign Affairs (Portugal) (Ministério dos Negócios Estrangeiros), the Portuguese foreign affairs ministry Mne, abbreviation of the entry rank of Marine in the Royal Marines 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