United Community Bank is a regional US bank providing retail and corporate banking services with headquarters in Blairsville, Georgia. The bank was founded in Georgia in 1950.

In September 2016, the Bank had 140 banking offices located in Georgia, South Carolina, western North Carolina, and eastern Tennessee.

Assuming completion of a pending deal, United Community Bank will have 148 branches and $11.5 billion in assets.

Its products include interest-bearing and non interest-bearing deposits, NOW accounts (Negotiable Order of Withdrawal account), money market accounts, checking accounts and savings accounts.

United Community Bank is an active member of the communities it serves. Local sponsorships and engagement is a priority and United bankers regularly support many community organizations.

Union County Bank began in 1949 in Blairsville, Georgia and had $42 million in assets when Jimmy C. Tallent became president in 1984.

United Community Banks was incorporated in 1987. Union County Bank was acquired in 1988 and became United Community Bank (Georgia) in 1996. Other acquisitions were Citizens Bank of Murphy, North Carolina which became United Community Bank (North Carolina) in 1990, United Community Bank Towns County in 1992, White County Bank of Cleveland, Georgia (United Community Bank White County) in 1995 and United Community Bank Rabun County in 1997. The North Carolina bank added branches in Andrews, Franklin and Waynesville in 1995. With changes in Georgia's banking laws, United Community Bank began opening branches in addition to making acquisitions. Other acquisitions included assets of a bank in Cornelia and First Clayton Bank and Trust in 1997.

In 1999, UCB paid $7.1 million plus other costs for Bank of Adairsville parent Adairsville Bancshares, and also acquired 1st Floyd Bank. Both of these became part of United Community Bank (Georgia) in 2001.

In 2000, North Point Bancshares Inc., Independent Bancshares Inc. and consultant Brintech, Inc. were acquired and Lendmark Financial Services Inc. purchased the consumer finance division.

UCB was listed on Nasdaq in 2002.

In 2003, First Georgia Holding Inc. was acquired for about $42 million, and UCB also acquired First Central Bank of Lenoir City, Tennessee. In 2004, when assets reached $5 billion, acquisitions included Fairbanco Holding Co. for $24.7 million, Eagle National Bank for $12.4 million, Liberty National Bancshares Inc. for $42.5 million.

The first public stock offering came in 2005.

In 2006, Southern National Bank parent Southern Bancorp was acquired for stock valued at $67.8 million and merged into United Community Bank, and two Sylva, North Carolina offices were purchased from First Charter Bank, giving UCB 19 North Carolina locations.

In 2007, First Bank of the South parent Gwinnett Commercial Group was acquired for $222.9 million.

In 2009, UCB purchased assets and most liabilities of Southern Community Bank, with the FDIC paying $31 million.

In 2014, UCB purchased assets of Business Carolina Inc. for $31.3 million.

In 2015, Palmetto Bancshares, Inc. merged with United Community Banks.

On June 27, 2017, Four Oaks Fincorp of Four Oaks, North Carolina, started in 1912, agreed to a $124 million deal which would give United Community Bank 14 more North Carolina branches, twelve of those in the Triangle and an additional $737 million in assets.