R46 or R-46 may refer to:
Roads
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R46 expressway (Czech Republic), now the D46 motorway
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R46 (South Africa)
Other uses
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R-46 (missile), a Soviet intercontinental ballistic missile
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R46 (New York City Subway car)
The R46 is a New York City Subway car model that was built by the Pullman Company, Pullman Standard Company from 1975 to 1978 for the Independent Subway System, IND/Brooklyn–Manhattan Transit Corporation, BMT B Division (New York City Subway) ...
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Escadrille R46
''Escadrille 46'' (variously known as ''Escadrille R46'' and ''Escadrille Let46'') was a highly decorated French World War bombing squadron. Although serving ordinarily as a reconnaissance and bombardment role, they also flew as gunships to escort ...
, a unit of the French Air Force
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R46: May cause heritable genetic damage, a risk phrase
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