- Abbreviation of . (IOC Olympic team)
- IOA (independent Olympic athlete)
- IOP (individual Olympic participant)
- NPA (neutral Paralympic athlete)
- ROC (Russia Olympic Committee)
- Initialism of .
- 2000 April 19, I Want My DTV!, “Re: Lastest info on HDD200 availabilty?”, in alt.video.satellite.4dtv, Usenet:
- HD HBO is generally not as good as Showtime HD. Showtime is leaving movies in the OAR (16X9), while HBO insists on butchering the movies to pan and scan. In addition, Showtime is broadcasting in 5.1 Dolby Digital surround...sounds amazing.