Orsa or ORSA may refer to:
Places:
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Orsha
Orsha ( be, О́рша, Во́рша, Orša, Vorša; russian: О́рша ; lt, Orša, pl, Orsza) is a city in Belarus in the Vitebsk Region, on the fork of the Dnieper and Arshytsa rivers.
History
Orsha was first mentioned in 1067 as Rsha ...
or Orša, Belarus
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Orsa, Sweden
Orsa () is a locality and the seat of Orsa Municipality, Dalarna County, Sweden, with 5,308 inhabitants (2010). It is located in the northern part of lake Siljan, about north of the town Mora. Inlandsbanan and European route E45 run through th ...
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Orsa Municipality
Orsa Municipality (''Orsa kommun'') is a municipality in Dalarna County in central Sweden. Its seat is located in the town of Orsa.
Orsa is one of a few municipalities in Sweden which has not been amalgamated, but retains its area from the tim ...
, Swedish municipality
Vessels:
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''Orsa''-class torpedo boat, built for the Italian Navy in the 1930s
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Italian training ship ''Orsa Maggiore'' (A5323), a contemporary ocean ketch serving as a sail training vessel
Other uses:
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''Orsa'' (moth), a moth in the family Erebidae
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Operations Research Society of America
The Institute for Operations Research and the Management Sciences (INFORMS) is an international society for practitioners in the fields of operations research (O.R.), management science, and analytics. It was established in 1995 with the merger o ...
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Own Risk and Solvency Assessment
At the heart of the prudential Solvency II directive, the own risk and solvency assessment (ORSA) is defined as a set of processes constituting a tool for decision-making and strategic analysis. It aims to assess, in a continuous and prospective w ...
, in EU insurance regulation
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Oxacillin-resistant ''Staphylococcus aureus''
{{disambiguation, geo