SDP

• DSP (disambiguation)
• Democratic Socialist Party (disambiguation)
• Dendermonde–Puurs Steam Railway
• ITIL/service design package
• PDS (disambiguation)
• Party of Democratic Socialism (disambiguation)
• SDP (band)
• SPD (disambiguation)
• San Diego Padres
• Scenario Design Power
• Scha Dara Parr
• School District of Philadelphia
• Self-development plan
• Semidefinite programming
• Service data point
• Service delivery platform
• Service discovery protocol
• Session Description Protocol
• Singapore Democratic Party
• Single-dealer platform
• Social Democratic Party
• Social Democratic Party (Andorra)
• Social Democratic Party (Japan)
• Social Democratic Party (Latvia)
• Social Democratic Party (New Zealand)
• Social Democratic Party (Serbia 2001–10)
• Social Democratic Party (Serbia)
• Social Democratic Party (UK)
• Social Democratic Party (UK, 1988)
• Social Democratic Party (UK, 1990–present)
• Social Democratic Party in the GDR
• 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 of Montenegro
• Social Democratic Party of Serbia
• Socialist Democrat Party
• Socialist Democratic Party (Canada)
• Socialist Democratic Party (Chile)
• Socialist Democratic Party (Japan)
• Socialist Democratic Party (Turkey)
• Socialist Democratic Party (disambiguation)
• Society of Decorative Painters
• Sockets Direct Protocol
• Software Defined Perimeter
• Stardust Promotion
• State Domestic Product
• Stephen Dale Petit
• Stuart Price
• Sudeten German Party