Look up UDT in Wiktionary, the free dictionary.

UDT may refer to:

Organisations

• Uitgeverij De Tijd, a former Belgian publisher
• Underwater Demolition Team, United States Naval reconnaissance and amphibious landing beach demolition unit from which the U.S. Navy SEALs evolved
• Republic of Korea Navy UDT/SEAL, from the Republic of Korea Navy
• União Democrática Timorense, (Timorese Democratic Union), a conservative political party in East Timor
• Union Démocratique Tchadienne, (Chadian Democratic Union), the second African political party in Chad
• Union of Djibouti Workers, a trade union centre in Djibouti
• United Dominions Trust, a subsidiary of the former Trustee Savings Bank, merged with Lloyds Bowmaker in 2001

Computing

• UDP-based Data Transfer Protocol, a high performance data transport protocol and library
• User-defined type, in computer science that is generally synonymous with "record", "structure", "composite type" or "class"

Technology

• Urine Diversion Toilet, a toilet system where urine and faeces are separated at source

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