北欧联合银行 (英语：Nordea Bank AB) ，或称北欧银行，是北欧的跨国金融服务集团，其总部位于瑞典的首都斯德哥尔摩。北欧银行是由瑞典的Nordbanken银行、芬兰Merita银行、丹麦Unibank银行以及挪威Christiania银行在1997到2000年间合并而成。波罗的海国家和波兰在今天也被认为是北欧银行市场的一部分，另外拉脱维亚从2006年也开始成立了北欧银行（拉脱维亚语：Nordea banka）的支行。北欧银行的第一控股股东是芬兰保险公司Sampo，该公司大约持有20%的股份。北欧银行分别在斯德哥尔摩证券交易所、赫尔辛基证券交易所、和哥本哈根证券交易所上市。

Nordea Bank AB, commonly referred to as Nordea, is a Swedish financial services group operating in Northern Europe. The bank is the result of the successive mergers and acquisitions of the Finnish, Danish, Norwegian and Swedish banks of Merita Bank, Unibank, Kreditkassen (Christiania Bank) and Nordbanken that took place between 1997 and 2000. The Baltic countries and Poland are today also considered part of the home market. The largest share holder of Nordea is Sampo, a Finnish insurance company with around 20% of the shares. Nordea is listed on the Copenhagen Stock Exchange, Helsinki Stock Exchange and Stockholm Stock Exchange.