A "fraternal organization" or "fraternity," is a brotherhood, though the term usually connotes a distinct or formal organization. This list is for "general fraternities", please list college fraternities and sororities at List of fraternities and sororities.

• Ancient Mystical Order Rosae Crucis
• Ancient Order of Hibernians
• B'nai Brith
• Civitan
• Concatenated Order of Hoo-Hoo
• DeMolay International
• E Clampus Vitus
• Epsilon Sigma Alpha International
• Equestrian Order of the Holy Sepulchre of Jerusalem
• Fraternal Forestry (Ancient Order of Foresters, Ancient Order of United Workmen, Independent Order of Foresters)
• Fraternal Order of Eagles
• Fraternal Order of Moai
• Freemasonry
  • Scottish Rite
  • York Rite
  • Shriners
  • Order of the Eastern Star
• Grand United Order of Odd Fellows
• Illuminati
• Imperial Court System
• International Organisation of Good Templars
• Independent Order of Odd Fellows
• 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
• Knights of Pythias
• Lions Clubs International
• Militia Templi
• Optimist International
• Orange Order
• Order of the Golden Spur
• Order of Pius IX
• Order of St Gregory the Great
• Ordo Templi Orientis
• International Red Cross and Red Crescent Movement
• Rosicrucian Fellowship
• Rotary International
• Round Table Club
• Ruritan
• Samaritans (charity)
• Sertoma International
• Soroptimist
• Venerable Order of Saint John
• Woodmen of the World
• Zonta International
• Royal Antediluvian Order of Buffaloes

• Apex
• Knights of the Southern Cross
• United Grand Lodge of New South Wales and the Australian Capital Territory

• AKO Fraternity
• Canadian Fraternal Association
• Canadian Order for Home Circles
• Kin Canada
• Knights of Pythias
• [Royal Antediluvian Order of Buffaloes }

• Oddfellows
• Orange Order
• Order of Scottish Clans
• Order Tutor
• Grand Order of Water Rats
• Fraternitas Saturni

• Afrikaner Broederbond

• Afro-American Sons and Daughters
• Aid Association of Lutherans
• Aura's House
• Benevolent and Protective Order of Elks^[1]
• Chautauqua Institute
• Danish Brotherhood in America
• Fraternal Order Orioles
• Improved Order of Red Men
• Knights of Columbus
• Knights of Peter Claver
• Knights of Pythias
• Knights of the Golden Eagle
• Knights of the Kappa Alpha Order
• Knights of the Maccabees
• Loyal Order of Moose
• MEANA (Malayalee Engineers Association in North America)
• National Haymakers Association
• Native Sons of the Golden West
• Order of Heptasophs
• Improved Order of Heptasophs
• The National Grange of the Order of Patrons of Husbandry (The Grange)
• Order of the Arrow (BSA)
• Order of Scottish Clans
• Order Sons of Italy in America
• Sons of Norway
• Sons of Confederate Veterans
• Sons of the American Revolution
• Sons of Union Veterans of the Civil War
• Unico National
• United States Power Squadrons
• Woodmen of the World

• Fraternity
• Service club

• Survey of Secret Societies and Museum of Fraternal Lithographs Survey of history and ritual covering diverse organizations including Freemasonry, and groups that have imitated Masonry such as the Odd Fellows, Knights of Pythias, Improved Order of Red Men, Knights of the Golden Eagle, Knights of the Maccabees, B'nai B'rith, Orange Order, Royal Black Preceptory, Hibernians, Greek Letter Fraternities, etc. and so-called magical fraternities such as the Ordo Templi Orientis and Aurum Solis.
• Complete listing of all secret society, fraternal organizations and fraternal orders with abbreviations, with slogans and mottoes
• The Web of Hiram A Site dealing with Freemasonry at Bradford University.
• World Orders of Knighthood and Merit
• Catholic Encyclopedia entry for Military Orders