First International (disambiguation)

The First International is an alternate name for the International Workingmen's Association, an international organisation of left-wing radicals founded in 1864.

First International may also refer to:
 * IWA–AIT or International Workers' Association, an anarcho-syndicalist federation of trade unions founded in 1922
 * First International Syndicalist Congress, a meeting of European and Latin American syndicalists in London in 1913
 * First International Conference of American States
 * First International Eugenics Conference, a conference of eugenicists in London in 1912.
 * International Peace Congress, an 1848 peace convention
 * Aramaic Music Festival, also known as the "First International Aramaic Music Festival"

In business:
 * First International Computer, a Taiwanese computer company
 * First International Telecom, a Taiwanese mobile phone operator

In religion:
 * First International Congress on World Evangelization
 * International Bahá'í Council

In banking:
 * First International Bank, an American bank founded in 1910
 * First International Bank of Israel, an Israeli bank founded in 1972
 * First International Bank Tower, the building which houses the Israeli bank