UDP may refer to:
Political parties
*
Ulster Democratic Party, in Northern Ireland
* ''União Democrática Popular'' (
Popular Democratic Union (Portugal))
* ''Unidad Democrática y Popular'' (
Democratic and Popular Union), a former Bolivian umbrella party
*
United Democratic Party (disambiguation), multiple organisations
Science and technology
*
Undecaprenyl phosphate, a bacterial cell membrane carrier lipid
*
Uridine diphosphate, an organic chemical
*
User Datagram Protocol
In computer networking, the User Datagram Protocol (UDP) is one of the core communication protocols of the Internet protocol suite used to send messages (transported as datagrams in Network packet, packets) to other hosts on an Internet Protoco ...
, a network communications method
* User Defined Primitive, a construct in
Verilog
Verilog, standardized as IEEE 1364, is a hardware description language (HDL) used to model electronic systems. It is most commonly used in the design and verification of digital circuits, with the highest level of abstraction being at the re ...
*
Usenet Death Penalty, a discussion group disciplinary response
*
Universality–diversity paradigm
Other uses
*
Unit Deployment Program, a military assignment system
*
Unitary development plan, a land use planning system
* ''Universidad Diego Portales'' (
Diego Portales University), in Chile
{{Disambiguation