SDP or sdp may refer to:

Computing Scenario Design Power, a power level mode of certain generations of Intel's mobile processors Semidefinite programming, an optimization procedure Service data point, a node in mobile telecommunication networks Service delivery platform, a mobile telecommunications component Service Design Package (ITIL), the repository of all design information for a service in ITIL Service discovery protocol, a type of service discovery for network services Session Description Protocol, a communication protocol for describing multimedia sessions Single-dealer platform, software used in financial trading Sockets Direct Protocol, a low-level remote-computing protocol Software-defined perimeter, a method of enhancing computer security

Music Stephen Dale Petit (born 1969), American blues musician Scha Dara Parr, a Japanese hip-hop group Stuart Price (born 1977), British music producer who occasionally remixes under the moniker SDP SDP (duo), a German pop/hip-hop duo

Organizations Political parties Social Democratic Party, a list of parties with this name Socialist Democratic Party (disambiguation)

Europe Social Democratic Party (Andorra) Social Democratic Party of Bosnia and Herzegovina Social Democratic Party of Croatia Social Democratic Party of Finland Social Democratic Party of Germany Social Democratic Party in the GDR Sudeten German Party () Social Democratic Party (Latvia) Social Democratic Party of Montenegro Social Democratic Party (Serbia, 2002) Social Democratic Party (UK) Social Democratic Party (UK, 1988–1990) Social Democratic Party (UK, 1990–present) Socialist Democratic Party (Turkey)

Elsewhere Social Democratic Party of America Socialist Democratic Party (Chile) Social Democratic Party (Japan) Social Democratic Party (New Zealand) Socialist Democrat Party, Peru Singapore Democratic Party Surinamese Democratic Party Communist Party of Kenya, formerly known as the Social Democratic Party of Kenya

Other organizations School District of Philadelphia Society of Decorative Painters Stardust Pictures, a film studio, operating as a subsidiary of Stardust Promotion

Transportation Sand Point Airport (IATA code: SDP), in the Aleutian Islands, Alaska, US Sandplace railway station (National Rail code: SDP), Cornwall, UK Stoomtrein Dendermonde-Puurs (Dendermonde–Puurs Steam Railway), a heritage railway in Belgium

Other uses San Diego Padres, American professional baseball team Sherdukpen language (ISO 639-3 code: sdp), spoken in Arunachal Pradesh, India State Domestic Product, in economics Substantive due process, legal principal in the US

See also Democratic Socialist Party (disambiguation) DSP (disambiguation) Party of Democratic Socialism (disambiguation) PDS (disambiguation) Socialist Democratic Party (Canada) (PDS) Social Democratic Party (Serbia) (SDS), 2014- Social Democratic Party of Serbia (SDPS) SPD (disambiguation) "SDP Interlude", a song by Travis Scott from Birds in the Trap Sing McKnight