SOP

A sop is a piece of bread soaked in a liquid.

SOP may also refer to:

Process and planning

• Sales and operations planning
• Standard operating procedure
• Statement of Principles, which often precedes a Memorandum of Understanding
• Statement of purpose

Arts, entertainment, and media

• SOP (Philippine TV show), a musical variety show in the Philippines
• Sons of the Patriots, a major plot device in the video game Metal Gear Solid 4: Guns of the Patriots

Computing

• Same origin policy, a security measure for client-side scripting
• SCSI over PCI Express
• Semantic-oriented programming
• Service-oriented programming
• Service-oriented provisioning
• Start of Packet, first byte in some communications protocols
• Subject-oriented programming

Government and legal system

• Separation of powers
• Sex Offender Program, for example in the Florida Department of Juvenile Justice
• State of Palestine

Organisations

• Seeds of Peace
• Socialist Party
• Société d'Ornithologie de Polynésie

Science and technology

• SOP (IRC), SuperOp (also written as SOp), a level of Internet Relay Chat (IRC) channel operator access usually managed via ChanServ type IRC services
• Scaled orthographic projection, a form of Graphical projection
• Sensory organ precursor, for example in the NUMB gene
• Small outline package, a form factor of small-outline integrated circuit
• State of polarization, in polarization
• Structure–organization–process
• Sum of products
• Sum of parts

Transportation

• SOP, IATA code for Moore County Airport (North Carolina)