A peace conference is a diplomatic meeting where representatives of certain states, armies, or other warring parties converge to end hostilities and sign a peace treaty.

Significant international peace conferences in the past include the following:

• St. Petersburg Declaration of 1868
• Algeciras Conference (1905)
• Hague Conventions of 1899 and 1907
• Versailles (1919)
• Good Friday Agreement (1998)