MWN can refer to:
Morocco World News, an English language e-newspaper with its headquarters in Rabat and Washington, D.C Munich Scientific Network (Münchner Wissenschaftsnetz) at the Leibniz-Rechenzentrum mwn, the ISO 639-3 code for the Mwanga language Mwadui Airport, serving the Williamson diamond mine, in the Shinyanga Region of Tanzania (IATA code: MWN) Multi-Walled Nanotubes