RDB
RDB may refer to:
In music:
- Reggatta de Blanc, the second album by English rock band The Police
- Rahul Dev Burman, an Indian music composer
- rolldabeats, an online music database dedicated to drum and bass
- RDB Rhythm Dhol Bass, a UK based Bollwood/Punjabi/Bhangra music production group headed by SurjRDB
In technology:
- Relational database, a database organized according to the relational model
- Oracle Rdb, a relational database for the OpenVMS operating system
- Amiga rigid disk block, the block on an Amiga computer's hard disk that describes partition information
Other
- Rang De Basanti, a 2006 Hindi-language film
- Red Data Books, a name for the IUCN Red List, a series of IUCN publications listing threatened animal or plant species, usually organized by country
- Rizal Day bombings, a bombing that occurred around Metro Manila
- Royal Danish Ballet
- State Security Service (FR Yugoslavia)