MTPD

MTPD may refer to:
 * Maximum tolerable period of disruption, the maximum time that key products or services can be unavailable or undeliverable before stakeholders perceive unacceptable consequences
 * Metro Transit Police Department, the policing agency of the Washington Metropolitan Area Transit Authority (WMATA)
 * Mitochondrial trifunctional protein deficiency, an inherited fatty acid oxidation disorder.
 * Metric tonnes per day, a unit for capacity, i.e. of a chemical plant.