Radar, a system that uses radio waves to detect the direction and distance and/or speed of objects and map them

Radar O'Reilly, a fictional character in the M*A*S*H novels, television series, and film

Radar (magazine), an irreverent American online and print magazine

Radar (band), an Estonian rock band

"Radar", a song by Morphine from their 1995 album Yes

Radar Records, a record label

RADAR, a professional stand-alone hard disk drive multitrack audio recorder manufactured by iZ Technology Corporation

RADAR (Research on Adverse Drug events And Reports), a pharmocovigilance group out of Northwestern University