ZM (and similar) may refer to: Zambia, a southern African country (ISO 3166-1: ZM) .zm, Zambia's Internet top-level domain Zlaté Moravce, a town in Slovakia

Arts and media ZM (radio station), a New Zealand broadcaster Zara Moussa, a Nigerian rapper

Business Zoom Video Communications, an American developer of videotelephony software (Nasdaq ticker: ZM)

Units of measure Zeptometre, an extremely small unit of length (10−21 m) Zeptomolar (zM), a unit of molar concentration Zettametre (Zm), an extremely large unit of length (1021 m) nl:Lijst van Poolse historische motorfietsmerken#ZM