ZTM

The abbreviation ZTM means:


 * Public Transport Authority (Warsaw) (in Polish: Zarząd Transportu Miejskiego w Warszawie), municipal transport authority in Warsaw, Poland
 * Public Transport Authority (Metropolis GZM) (in Polish: Zarząd Transportu Metropolitalnego), municipal transport authority in the Metropolis GZM, Poland
 * Zbrojovka Vsetín, a Czech weapon factory
 * the IATA code for Shamattawa Airport, Manitoba, Canada