OPP

OPP or Opp may refer to:

• The U.S. E.P.A. Office of Pesticide Programs
• Ontario Provincial Police, the provincial police service of Ontario, Canada
• Opp, Alabama, a town in southern Alabama, United States
• "O.P.P. (song)", a song by Naughty by Nature from the album Naughty by Nature
• One People's Project, an anti racist group.
• Object Push Profile, a Bluetooth communications protocol based on the OBEX protocol
• Open Prosthetics Project, a project dedicated to creation of public domain prosthetics
• Orangi Pilot Project, a development project in slums of Karachi, Pakistan
• 2-Phenylphenol (or ortho-phenylphenol), an organic compound used as a fungicide
• Oriented polypropylene
• Oink's Pink Palace, a bittorrent tracker
• Omega Psi Phi, one of the first black male fraternities
• Orleans Parish Prison, a prison in New Orleans, Louisiana.

OPP or Opp may also refer to:

• Opposition (disambiguation), shortened
• Other person's problem(s)

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