Wikipedia
DNPO
DNPO may refer to:
- Bis(2,4-dinitrophenyl) oxalate, a chemical used in glowsticks
- Dinitrogen pentoxide, an inorganic chemical compound
- DNPO, the ICAO airport code for Port Harcourt International Airport
- "Do Not Power On", acronym used in Data_center administration to warn others not to power on server machines Server_(computing). See Lockout-tagout.