A fraternal organization, sometimes also known as a “fraternity,” is an organization that represents the relationship between its members as akin to brotherhood. There is a great deal of overlap between the terms Friendly Society and fraternal organization. Most mystical organizations are also fraternal.

What follows is a list of contemporary fraternities.

International

• Ancient Mystical Order Rosae Crucis
• Ancient Order of Hibernians
• Benevolent and Protective Order of Elks
• B’nai Brith
• Charitable trust
• Civitan
• E Clampus Vitus
• Epsilon Sigma Alpha International
• Fraternal Forestry (Ancient Order of Foresters, Ancient Order of United Workmen, Independent Order of Foresters)
• Freemasonry
  • Scottish Rite
  • York Rite
  • Shriners
  • Masonic Youth Organizations
  • Order of the Eastern Star
  • The Ancient and Primitive Rite of Memphis
• Grand United Order of Odd Fellows
• Independent Order of Odd Fellows
• Independent United Order of Scottish Mechanics of the Universe Incorporated
• International Order of Twelve Knights and Daughters of Tabor
• Junior Chamber International (Jaycees or Junior Chamber of Commerce)
  • United States Junior Chamber
• Kiwanis
  • Circle K International
  • Key Club
  • Builder’s Club
  • K-Kids
  • Aktion Club
• Knights of Columbus
  • Columbian Squires
• Lions Clubs International
• Optimist International
• Orange Order
• Ordo Templi Orientis
• International Red Cross and Red Crescent Movement
• Rosicrucian Fellowship
• Rotary International
• Ruritan
• Samaritans (charity)
• Sertoma International
• S.K.U.M. international
• Woodmen of the World
• Zonta International

Australia

• Apex

Canada

• AKO Fraternity
• Canadian Order for Home Circles
• Independent United Order of Scottish Mechanics of the Universe Incorporated
• Kin Canada (formerly Kinsmen and Kinette Clubs of Canada)
  • Kinsmen Club of Brantford
• Knights of Pythias

South Africa

• Afrikanerbond

European Union

• Blood and Roots
• Cultus Luciferi Regenerati or Order of the Boy who Kissed the Sun (origin. Rad Slnko Pobozkavsieho Chlapca or Rad Chlapca Ktory Pobozkal Slnko)
• Independent United Order of Scottish Mechanics of the Universe Incorporated
• Oddfellows
• Orange Order
• Order of Scottish Clans
• Order Tutor

United States

• Afro-American Sons and Daughters
• Aid Association of Lutherans
• Ancient Order of United Workmen
• Apex
• Aura’s House
• Beloved Order of the Greenman (B.O.G.)
• Chautauqua Institute
• Fraternal Order of Eagles
• Fraternal Order Orioles
• Hard Hat Brotherhood
• Improved Order of Red Men
• Independent United Order of Scottish Mechanics of the Universe Incorporated
• Knights of Columbus
• Knights of Peter Claver
• Knights of Pythias
• Knights of the Golden Eagle
• Knights of the Maccabees
• Ku Klux Klan
• Loyal Order of Moose
• Modern Brotherhood of America
• Modern Woodmen of America
• National Haymakers Association
• Native Sons of the Golden West
• Order of Heptasophs
  • Improved Order of Heptasophs
• Order of Scottish Clans
• Order of the Arrow (BSA)
• Order Sons of Italy in America
• Quota
• Royal Neighbors of America
• Royal Templars of Temperance
• Sons of Norway
• Sons of the American Revolution
• Sons of Union Veterans of the Civil War
• United American Mechanics
• Unico National

Middle East

• Muslim Brotherhood
• Khellan el Wafa wa Ekhwan el Safa

Philippines

• The Scintilla Juris Fraternity
• The Artists’ Circle