Union Bank

Union Bank or Unionbank may refer to:


 * Unionbank (Austria), an Austrian bank active created in 1870, merged into Allgemeine Bodencreditanstalt in 1927
 * Union Bank (Albania)
 * Union Bank of Australia, became part of Australia and New Zealand Banking Group
 * Union Bank Limited (Bangladesh)
 * Union Bank of California, now named MUFG Union Bank
 * Union Bank of Halifax, Nova Scotia
 * Union Bank of Hong Kong, now named Industrial and Commercial Bank of China (Asia)
 * Union Bank of India
 * Union Bank of Israel
 * Union Bank (Jordan), a bank in the Arab world
 * Union Bank of London, later National Provincial Bank
 * Union Bank (Morrisville, Vermont)
 * Union Bank of New London, earliest predecessor of failed Bank of New England (Massachusetts)
 * Union Bank of Nigeria
 * Union Bank of Norway, branded as Sparebanken NOR
 * Unionbank (Philippines), a Philippine bank created in 1968
 * Union Bank (Pakistan)
 * Union Bank (Pembrokeshire), England
 * Union Bank of Scotland, now part of Bank of Scotland
 * Union Bank of Switzerland
 * Union Bank (Tallahassee, Florida)
 * Union Bank of Taiwan
 * Union Bank & Trust Company of Nebraska
 * Unionbank or MKB Unionbank, a Bulgarian bank from 1996 to 2014
 * MUFG Union Bank, mainly operating on U.S. west coast