1R may refer to:
- Complement component 1R
- Intelsat 1R, a communications satellite
- Yaesu VX-1R, a radio transceiver
- OneRepublic, a pop-rock/alternative band from Colorado, United States
- SSH 1R (WA), a former highway that is now Washington State Route 504
- 1R (chromosome)
See also
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This disambiguation page lists articles associated with the same title formed as a letter–number combination.
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