Wikipedia
UDR
UDR may refer to:
- Ulster Defence Regiment, a former British Army infantry regiment
- União Democrática Ruralista, a Brazilian right-wing association of farmers
- Union of Democrats for the Republic, a former political party in France
- Union for Democracy and the Republic (Chad), a political party in Chad
- Democratic Union for the Republic, a former political party in Italy
- Udaipur Airport, Indian airport (IATA airport code)
- Untethered dead reckoning, GNSS-assisted dead reckoning without external sensors
- User-Defined Reductions in OpenMP