International

• First National Bank (disambiguation), a name used by various banks worldwide
• First Interstate Bank (disambiguation)
  First Interstate Bank (disambiguation)
  First Interstate Bank may refer to one of the following:*First Interstate Bancorp of Los Angeles, California, which merged with Wells Fargo in 1996**Several buildings formerly named for the bank, now known as***Aon Center, Los Angeles, California...
  
  , a name used by various banks worldwide
• First Commercial Bank
  First Commercial Bank
  -Asia:*First Commercial Bank, a bank headquartered in Taipei, Taiwan-United States:*First Commercial Bank , a regional bank headquartered in Birmingham, Alabama*First Commercial Bank , a bank in Jonesboro, Arkansas...
  
  , used by a bank in Taipei, Taiwan, as well as several in the United States

Asia

• First Gulf Bank
  First Gulf Bank
  First Gulf Bank is a publicly owned bank headquartered in Abu Dhabi, United Arab Emirates and owned by several sons of the late Sheikh Zayed bin Sultan Al Nahyan...
  
  , in Abu Dhabi, United Arab Emirates
• First Micro Finance Bank
  First Micro Finance Bank
  :For other banks with a similar name, see First Bank.First Micro Finance Bank is a banking and loan institution of Aga Khan Agency for Microfinance. The institution operates in Afghanistan and Pakistan. It is owned by the Aga Khan Development Network....
  
  , in Karachi, Sindh, Pakistan
• First Pacific Bank
  First Pacific Bank
  First Pacific Bank Limited was a bank based in Hong Kong. It was a wholly owned subsidiary of the investment holding company FPB Bank Holding Company Limited...
  
  , a former bank based in Hong Kong

United States

• FirstBank, also known as 1stBank, a privately held bank based in Lakewood, Colorado
  Lakewood, Colorado
  Lakewood is a Home Rule Municipality that is the most populous city in Jefferson County, Colorado, United States. Lakewood is the fifth most populous city in the State of Colorado and the 172nd most populous city in the United States. The United States Census Bureau estimates that in April 1, 2010...
  
   with locations in Colorado, California, and Arizona
• First American National Bank
  First American National Bank
  First American National Bank was a subsidiary of First American National Corporation, a financial institution based in Nashville, Tennessee that served the states of Tennessee, Kentucky, Georgia and Virginia...
  
  , a defunct bank now part of Amsouth Bancorporation
• First Bancorp
  First Bancorp
  First Bancorp is a bank holding company in Troy, North Carolina. It operates as First Bank in North and South Carolina and First Bank of Virginia in Virginia. The company has total assets of $3.3 billion.-Description:...
  
  , a financial holding company in Troy, North Carolina
• First BanCorp
  First BanCorp
  First BanCorp is a publicly owned financial holding company located in San Juan, Puerto Rico.-History:FirstBank was the first Savings & Loan institution established in Puerto Rico with a capital of $200,000 in 1948...
  
  , more commonly known as FirstBank, a financial holding company in Puerto Rico
• First Banks, a financial holding company in Clayton, Missouri
• First International Bank
  First International Bank
  The First International Bank & Trust was first founded in 1910 in Arnegard, North Dakota. In 1934 the bank moved to its current location in Watford City, ND. In 2007 a $10 million plus renovation was completed to the Watford City office to increase the size of the banks main offices...
  
  , in Watford City, North Dakota
• First Market Bank
  First Market Bank
  First Market Bank was a federal savings bank founded and headquartered in Richmond, Virginia. It offered a full range of both retail and commercial products as well as mortgage, trust and investment services. The bank also employed more than 300 people...
  
  , in Richmond, Virginia
• First Midwest Bank
  First Midwest Bank
  First Midwest Bank, the main banking subsidiary of First Midwest Bancorp, Inc., a publicly-held company, began in Joliet, Illinois. From there they grew to serve many Chicago suburbs, downstate Illinois and the Quad Cities area...
  
  , in Joliet, Illinois
• First Bank, formerly First Bank & Trust in St. Louis, Missouri
  St. Louis, Missouri
  St. Louis is an independent city on the eastern border of Missouri, United States. With a population of 319,294, it was the 58th-largest U.S. city at the 2010 U.S. Census. The Greater St...
  
  
• First Bank of Lexington, Tennessee a privately held bank.
• First Bank & Trust Company of Abingdon, Virginia, with branches in Tennessee and Virginia
• Seattle-First National Bank
  Seafirst Bank
  Seafirst Corporation was a bank holding company based in Seattle, Washington. Formed on November 11, 1929, from the merger of Seattle's three largest banks, the First National Bank Group, the Dexter Horton National Bank , and Seattle National Bank, the bank was originally named First Seattle Dexter...
  
   (Seafirst Bank), now a part of Bank of America, known in the early 1970s as Firstbank.
• Security First Network Bank
  Security First Network Bank
  Security First Network Bank was the first pure Internet bank in the United States. It was founded in Pineville, Kentucky in October 1995. Several months later, the bank relocated to Atlanta, Georgia....
  
  , claimed to be the first pure internet bank, in Atlanta, Georgia

Africa

• Afriland First Bank
  Afriland First Bank
  Afriland First Bank is a full service bank operating in Cameroon, Equatorial Guinea, Liberia, and São Tomé and Príncipe. The bank was founded in Yaoundé in 1987 under the name of Caisse Commune d’Epargne et d’Investissement...
  
  , in Cameroon, Equatorial Guinea, Congo (Brazzaville) and Sao Tome e Principe
• First Bank of Nigeria
  First Bank of Nigeria
  First Bank of Nigeria is a Nigerian bank and financial services firm.First Bank traces its ancestry back to the first major financial institution founded in Nigeria; hence the name. The current chairman is Dr. Ayoola Oba Otudeko, OFR...
  
  , in Nigeria