SOP

Sop, a piece of bread soaked in a liquid, or the verb associated with soaking bread in liquid.

SOP or sop may also refer to:

Places

 * Sop (West Papua), an island in Indonesian Papua
 * Moore County Airport (North Carolina) (IATA code: SOP)
 * Sop town, Radjasthan, India
 * Sop, Croatia, a village near Rugvica
 * State of Palestine, a country in West Asia

Arts, entertainment, and media

 * SOP (variety show) in the Philippines
 * Sons of the Patriots, a network in Metal Gear Solid 4: Guns of the Patriots
 * An informal term for soprano, a type of the classical female singing voice

Computing

 * Same-origin policy, a security measure
 * SCSI over PCI Express
 * Service-oriented programming
 * Service-oriented provisioning

Process and planning

 * Sales and operations planning, S&OP
 * Standard operating procedure

Science, medicine, technology

 * SOP (IRC), Super Operator
 * Sensory organ precursor, for example in the NUMB gene
 * Small outline package IC
 * State of polarization in physics, for example
 * Structure–organization–process
 * Sulphate of potash (potassium sulfate)
 * Sum of products

Other uses

 * Sop language, spoken in Papua New Guinea
 * Statement of purpose