SMR may refer to:
Organisations
*
Seattle Mountain Rescue, American non-profit
*
Solomon Mahlangu Regiment of the South African Army
*
Swedish Resistance Movement, a neo-Nazi political party
Places
*
San Marino
San Marino (, ), officially the Republic of San Marino ( it, Repubblica di San Marino; ), also known as the Most Serene Republic of San Marino ( it, Serenissima Repubblica di San Marino, links=no), is the fifth-smallest country in the world an ...
(by ISO 3166-1, IOC and FIFA country code)
*
Rimba Secondary School (), Brunei
*
Simón Bolívar International Airport (Colombia) (by IATA code)
*
Tell Kazel (Ancient Egyptian: ''Smr''), archaeological site in Syria
Railways
*
Snowdon Mountain Railway
The Snowdon Mountain Railway (SMR; cy, Rheilffordd yr Wyddfa) is a narrow gauge rack and pinion mountain railway in Gwynedd, north-west Wales. It is a tourist railway that travels for from Llanberis to the summit of Snowdon, the highest peak ...
, Gwynedd, Wales
*
South Maitland Railway, NSW, Australia
*
Stapleford Miniature Railway, Melton Mowbray, England
Science and technology
Biology and medicine
*
Sensorimotor rhythm, a brain wave rhythm
*
Standardized mortality ratio, in epidemiology
* Suppressed mite reproduction, a trait in honey bees, see
varroa sensitive hygiene
Computing
*
Shingled magnetic recording
Shingled magnetic recording (SMR) is a magnetic storage data recording technology used in hard disk drives (HDDs) to increase storage density and overall per-drive storage capacity. Conventional hard disk drives record data by writing non-overl ...
, a hard disk storage method
*
State machine replication in distributed computing
* Symbolic Music Representation in
MPEG-4 Part 3
Other uses in science and technology
*
Small modular reactor
Small modular reactors (SMRs) are a proposed class of nuclear fission reactors, smaller than conventional nuclear reactors, which can be built in one location (such as a factory), then shipped, commissioned, and operated at a separate site. The ...
, a type of nuclear reactor
*
Specialized Mobile Radio
*
Square matricial representation of polynomials
*
Steam methane reforming, for producing hydrogen
*
Surface movement radar
Surface movement radar (SMR) is used to detect aircraft and vehicles on the surface of an airport. It is used by air traffic controllers to supplement visual observations. It may also be used at night time and during low visibility to monitor ...
, used by airports
*
Slope mass rating
Slope mass rating (SMR) is a rock mass classification scheme developed by Manuel Romana to describe the strength of an individual rock outcrop or slope. The system is founded upon the more widely used RMR scheme, which is modified with quantitat ...
, of rock mass
* Spherically Mounted Retroreflector, a
laser tracker {{Short description, Instruments that accurately measure large objects
Laser trackers are instruments that accurately measure large objects by determining the positions of optical targets held against those objects. The accuracy of laser tracker ...
target
Other uses
*
Shintō Musō-ryū, Japanese martial art
*
Sites and monuments record, of archaeological sites in the UK
{{disambiguation