SWR

The three letter acronym SWR can refer to the following:

* Steel Wire Rope
* Standing wave ratio, a wave and antenna concept
* SWR Sound Corporation, manufacturer of instrument amplifiers for bass guitars
* Südwestrundfunk, a public broadcasting company for the southwest of Germany
* SWR FM a community radio station in Sydney Australia
* Scandinavian Weekend Radio, a free radio station in the medium- and shortwave band in Virrat, Finland
* StarWars Reality, a M.U.D. (multi-user dimension, or text world) codebase
* South Western Railway, a zone of Indian Railways having HQ at Hubli, Karnataka, India
* She Wants Revenge, darkwave duo band from Los Angeles, California
* Sir William Ramsay School
* Scarlet Weather Rhapsody, the 10.5th game of the Touhou Project series.