M0

M0 or M-0 may be:

* M0 motorway (Hungary), bypassing Budapest
* Megyeri Bridge (former known: Northern M0 Danube bridge), crossing the Danube River
* Hayes command set, M0 for turning a modem speaker off
* money supply, M0 refers to the amount of cash (coins and banknotes) in circulation
* a non-small cell lung carcinoma staging code for "no distant metastasis"