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.
This disambiguation page lists articles associated with the title DNPO.
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