QDR may refer to:

Telecommunications and electronics QDR, a Q code request for heading (bearing) Quad data rate, a communication signaling technique InfiniBand, a computer network communications link used in high-performance computing Quad Data Rate SRAM, a type of computer memory that transfers data using QDR

Other uses Quadrennial Defense Review, a former four-yearly review of US military objectives Qatar Domain Registry, the operator of the .qa ccTLD WQDR-FM, Raleigh, North Carolina, USA; a radio station, station QDR in region W; operating as "94.7 QDR" Queda de Rins (literally "fall on the kidneys"), in the list of capoeira techniques

See also

Qualified domestic relations order (QDRO), a judicial order in the United States KQDR, a radio station, station QDR in region K