ZM

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

• ZM (radio station), a New Zealand broadcaster
• Zara Moussa, a Nigerian rapper

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

• 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)