M0

M0 (M followed by zero) or M-0 may refer to:

Companies

 * Aero Mongolia, an airline based in Ulaanbaatar, Mongolia (IATA designation M0)

Places

 * Megyeri Bridge (formerly known as Northern M0 Danube bridge), a bridge crossing the Danube River
 * M0 motorway (Hungary), a ringroad around Budapest

Other uses

 * M0 (economics), the monetary base regarding the money supply
 * MØ (born 1988), Danish singer and songwriter
 * M0, a non-small-cell lung carcinoma staging code for no distant metastasis
 * M0, a type of macrophage, a type of defensive phagocytic cell in living things
 * Hayes command set M0, a command for turning a modem speaker off
 * Measure zero, or M0, the size of the null set
 * M0 macrophage, a phenotype of macrophage