TRD may refer to:

• Toyota Racing Development, the in-house tuning shop for Toyota-brand automobiles
• Treatment-resistant depression in psychiatry
• Tucson Roller Derby, the roller derby league located in Tucson, Arizona
• Trondheim Airport, Værnes (IATA Airport Code TRD)
• Transition radiation detector

• Sector 62, noida
• Sector 70, Mohali
• Sector 71, Mohali
• Sector 7 (film)
• Sector Admiral
• Sectoral balances
• Sectoral financial balances
• Sectoral Heterochromia
• Sector aperture
• Sector association
• Sector Based Work Academies
• Sector (country subdivision)
• Sector Education and Training Authority
• Sector F-9
• Sector F-9 Islamabad
• Sector G
• Sectoria
• Sectorial analysis
• Sector instrument
• Sectorisation
• Sectorization
• Sector Kanda
• Sector lights
• Sectorseven (album)
• Sectorul Rîşcani