RDU may refer to:
- Raleigh–Durham International Airport's IATA code
- The Raleigh–Durham area
- RDU-FM, a New Zealand radio station
- Red Dot United, a political party in Singapore
- WTKK, a radio station licensed at the time to Wilson, North Carolina, which called itself "106.1 RDU"
This disambiguation page lists articles associated with the title RDU.
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