Sir (disambiguation)
Appearance
Sir is a respectful form of address for a man, and a formal title used in the United Kingdom for knights and baronets.
Sir, SIR or SiR may also refer to:
Places
[edit]Iran
[edit]- Sir, Iran, a city in Fars Province
- Sir, Razavi Khorasan, a village in Razavi Khorasan Province
- Sir, West Azerbaijan, a village in West Azerbaijan Province
West Bank
[edit]- Sir, Jenin, a Palestinian village in Jenin district
- Sir, Tulkarm, a Palestinian village in Tulkarm district
Others
[edit]- Sir Creek, on the border between India and Pakistan
People
[edit]- Sir (singer), American singer, songwriter, record producer
- Jaroslav Šír (born 1923), Czechoslovak former skier
- József Sir (1912–1996), Hungarian sprinter
- Sedat Sir (born 1975), Turkish-Australian former Australian Rules footballer
Entertainment
[edit]- Sir (1993 film), a Bollywood film
- Sir (A Series of Unfortunate Events), a fictional character in A Series of Unfortunate Events
- Sir (album), by Fischerspooner
- Sir (2018 film), an Indian Hindi-language romantic drama film
- "Sir", a song by Nicki Minaj from Queen
- Sir (2024 film), an Indian Tamil-language action drama film
SIR
[edit]Organizations
[edit]- Sigma Iota Rho, a collegiate honour society for international studies
- Society of Interventional Radiology, an American organization of health professionals
- Sons In Retirement (SIR), a fraternal organization of retired men
Mathematics and statistics
[edit]- Sequential Importance Resampling, in mathematics, a particle filtering algorithm
- Signal-to-interference ratio, in telecommunication, the ratio of useful signal versus co-channel interference received
- Short interest ratio, a metric signalling prevailing investors' sentiment
- SIR model, a compartmental model of the progress of an epidemic
Other uses
[edit]- SIR proteins (silent information regulator), in molecular biology
- Saskatchewan International Raceway, a Saskatoon drag strip
- Security Industry Registry, a corporate service provided by the New South Wales Police Force
- Siantar railway station, Pematang Siantar, Indonesia (station code: SIR)
- Singapore Infantry Regiment, the main formation of the Singapore Army
- Sion Airport (IATA code: SIR), the airport in Sion, Switzerland
- South Indian Railway, an early Indian railway company
- Staten Island Railway, rapid transit line in the borough of Staten Island, New York, United States
- Statutory Invention Registration, publication of an invention by the United States Patent and Trademark Office
- Surrey Iron Railway, a horse-drawn plateway that linked the former Surrey towns of Wandsworth and Croydon
- Serial Infrared, a category of Infrared Data Association
- Secondary Image Registration, a type of passive autofocus
- Supplemental Inflatable Restraint or airbag, a vehicle safety device