4R

'''4R''' may refer to:

* 4R Family restaurants in Northern California * Galaxy 4R, a Panamsat-owned communications satellite * Ponceau 4R, a synthetic colourant * Hamburg International airline's IATA code * Nachtjagdgeschwader 2, from its historic ''Geschwaderkennung'' code with the Luftwaffe in World War II * Sri Lanka aircraft registration * A standard consumer print size for photographs. See Standard photographic print sizes * the Railroad Revitalization and Regulatory Reform Act, also known as the "4R Act" * the short-lived acronym for Neljä ruusua ('Four Roses'), a Finnish band, aiming for a broader international appeal *4R, the production code for the 1977 ''Doctor Who'' serial ''The Robots of Death''

== See also == * The four Rs (disambiguation) ** specifically Reduce, Reuse, Recycle, Replace, as in waste hierarchy - for instance in Hong Kong * R4 (disambiguation)

{{Letter-NumberCombDisambig}}