SPD (disambiguation)

Template:Sister project SPD is the Social Democratic Party of Germany, a political party.

SPD may also refer to:

Science and technology

Suspended Particle Device, glass or plastic with electrically variable light transmission
Shimano Pedaling Dynamics, clipless bicycle pedals
Spectral power distribution, of light
Surge protection device, for electrical voltage spikes
Severe plastic deformation
Symmetric positive definite, in linear algebra
Short-path distillation
Spin Physics Detector, a component of the planned NICA particle accelerator near Moscow, Russia

Security Policy Database, rules in an IPsec implementation, for example in a High Assurance Internet Protocol Encryptor
Serial presence detect, a method to access memory module information
SharePoint Designer, an interface for designing in Microsoft SharePoint
Short Payment Descriptor, a compact textual data format (a MIME/file type) for an easy exchange of a payment information, using smart phones or NFC devices; a standard for QR code payments
SPD (Systems Product Division) bus, an I/O bus used in the IBM 9370 and IBM AS/400 systems

Freedom and Direct Democracy (Script error: No such module "Lang".), a Czech political party
Serbian Movement Dveri (Script error: No such module "Lang".), a political party in Serbia
Nintendo Software Planning & Development
Salym Petroleum Development, a petroleum company in Russia
Scuola Politecnica di Design, a Milan-based postgraduate design school
Small Press Distribution, distributor for literary publishers, Berkeley, California, US
Shanghai Pudong Development Bank, or SPD Bank, China