TPO

TPO may refer to:

Arts

• Taipei Philharmonic Orchestra
• Thailand Philharmonic Orchestra
• Tin Pot Operation, an indie-punk band from Belfast, Northern Ireland
• Tokyo Philharmonic Orchestra

Biology and medicine

• the temporo-parieto-occipital junction of the brain
• thyroid peroxidase (or thyroperoxidase), an enzyme in the thyroid
• thrombopoietin, a hormone stimulating platelet growth

Government

• Transportation Planning Organization, United States

Law

• Temporary protective order, a court order banning someone from going near a third party that they have allegedly harassed, in Ireland or the United States
• a tree preservation order in the United Kingdom

Science and technology

• Thermoplastic olefin, a plastic polymer/filler blend
• Transmitter power output in radio transmission

Other

• The People's Operator, a mobile virtual network operator in the United Kingdom
• Third-party ownership in association football
• A transit patrol officer of Victoria Transit Patrol, Australia
• Travelling Post Offices, mail trains in Great Britain and Ireland
• Travelling Post Office, Queensland, mail trains in Australia
• Treatment plant operator, an operator of water and waste water treatment plants
• Triple peel on opponent manoeuvre in croquet

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