欧元（€；ISO 4217代码EUR），港澳常称欧罗，是欧盟中19个国家的货币，这19国是奥地利、比利时、芬兰、法国、德国、希腊、爱尔兰、意大利、卢森堡、荷兰、葡萄牙、斯洛文尼亚、西班牙、马尔他、塞浦路斯、斯洛伐克、爱沙尼亚、拉脱维亚、立陶宛，合称为欧元区。目前共有3.3亿人使用欧元，如果加上与欧元固定汇率制的货币，欧元影响到全球4.8亿人口。2006年12月，共有6,100亿欧元在市面上流通，按照当时汇率计算，相当于8,020亿美元。欧元流通的现金总价值超过美元。

1欧元（euro）等于100欧分（cent）。

The euro (sign: €; code: EUR) is the official currency of the eurozone, which consists of 19 of the 28 member states of the European Union: Austria, Belgium, Cyprus, Estonia, Finland, France, Germany, Greece, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Portugal, Slovakia, Slovenia, and Spain. The currency is also officially used by the institutions of the European Union and four other European countries, as well as unilaterally by two others, and is consequently used daily by some 337 million Europeans as of 2015. Outside of Europe, a number of overseas territories of EU members also use the euro as their currency.