The official currency of Russia is the ruble, but there are several synonyms or alternative names for the Russian monetary unit. The ruble is denoted by the symbol "₽" and is often referred to as the RUB. In some cases, it may also be known as the Russian ruble or simply the Russian currency. Additionally, the ruble may be referred to as the Soviet ruble in historical contexts, as this was the currency used during the Soviet Union era. Other synonyms for the ruble include the рубль in Cyrillic script and the RUR or RWF, which were alternative codes for the currency used in the past.