Nassau

Austria

• Nassau (Groß Sankt Florian), incorporated village of Groß Sankt Florian

Bahamas

• Nassau, The Bahamas, capital city of the Bahamas

Canada

• Nassau District, renamed Home District, regional division in Upper Canada from 1788 to 1792
• Nassau Street (Winnipeg), Manitoba
• Nassau Street, Toronto

Cook Islands

• Nassau (Cook Islands), one of the Northern Cook Islands

Germany

Indonesia

• Nassau, a subdistrict in Toba Regency, North Sumatra
• Nassau Range, alternate name of the Sudirman Range in Indonesia

Ireland

• Nassau Street, Dublin

Jamaica

• Nassau Valley

Netherlands

• Baarle-Nassau, a town in the southern Netherlands

Poland

• Mokra, Opole Voivodeship (German: Mokrau, named Nassau O.S. 1936–1945)

Slovenia

• Nasova (formerly German: Nassau in der Steiermark)

Taiwan

• historic name for Taitung City

United States

• Nassau, Delaware
• Nassau County, Florida
• Nassau Village-Ratliff, Florida
• Nassau, Minnesota
• Nassau, New York (disambiguation)
• East Nassau, New York
• Nassau (town), New York, in Rensselaer County
• Nassau (village), New York
• Nassau County, New York, on Long Island
• Nassau Island, former name of Long Island
• Nassau Lake in Rensselaer County
• Nassau Lake, New York, corresponding census-designated place
• Nassau Street (Manhattan), New York City
• Nassau Street (Princeton, New Jersey)
• Nassau Bay, Texas

Nobles

• House of Nassau, a European aristocratic dynasty
• House of Orange-Nassau, a noble dynasty from the Netherlands
• Louis of Nassau (1538–1574), Dutch general
• Maurice of Nassau, Prince of Orange (1567–1625), Dutch stadtholder
• Sophia of Nassau (1836–1913), Queen consort of Sweden and Norway
• William Nassau de Zuylestein, 4th Earl of Rochford (1717–1781), British courtier, diplomat, and statesman
• House of Nassau-Siegen
• John Maurice of Nassau (1604–1679), Dutch colonial governor
• House of Nassau-Weilburg, a noble dynasty from Germany, monarchs of Luxembourg
• Adolf of Nassau (disambiguation)
• Adolph of Nassau-Weilburg (disambiguation)
• Maria of Nassau (disambiguation)
• William of Nassau (disambiguation)

Surname

• Charles William Nassau (1804–1878), Presbyterian minister, president of Lafayette College

Given name

• Nassau William Senior (1790–1864), English lawyer and economist