Decca

• Decca Records, a 1929 British record label, also known as Decca Music Group
• Decca Studios, a recording facility in West Hampstead, England, owned by Decca records
• Decca Radar (later Racal-Decca Marine), a British marine electronics manufacturer, a spin-off from the gramophone and records company
• Decca tree, a microphone recording system
• London Decca, a maker of turntable tonearms and a unique type of phonograph pick-up cartridge
• Decca Navigator System, a hyperbolic low-frequency radio marine and aeronautical navigation system
• Jessica Mitford (1917-1996), a British-American investigative journalist, nicknamed "Decca"

See also

• Deccan Plateau, an area in India