This is a list of ethnic organizations in the United States.
African-American
- National Association for the Advancement of Colored People (NAACP)
- National Pan-Hellenic Council (NPHC) and its historically-black member fraternities and sororities
Sudanese-American
Arab-American
- Arab American Institute
- American-Arab Anti-Discrimination Committee
- Network of Arab-American Professionals
Asian-American
Chinese-American
Korean American
Japanese-American
Philippine-American
- Philippine Nurses Association, Inc.
Baltic-American
Estonian-American
Latvian-American
Lithuanian-American
European-American
Belarusian Americans
- Belarusian American Association (Беларуска-Амерыканскае Задзіночанне)
- Belarusian Institute of America (Беларускі Інстытут Амерыкі)
- Belarusian Institute of Arts and Sciences (Беларускі інстытут навукі і мастацтва)
- Belarusan-American Alliance PAHONIA (Беларуска-Амерыканскае Згуртаванне ПАГОНЯ)
Czech-American
French-American
Greek-American
- American Hellenic Educational Progressive Association (its affiliate women's organization is the Daughters of Penelope and its two youth groups are the Sons of Pericles and the Maids of Athena)
- American Hellenic Institute Public Affairs Committee
Irish-American
- Ancient Order of Hibernians (Irish Catholic fraternal group)
- Emerald Society
- Friendly Sons of St. Patrick
- Friendly Sons of the Shillelagh
Italian-American
- Order Sons of Italy in America
- National Italian American Sports Hall of Fame
- National Italian American Foundation
- National Organization of Italian American Women
Macedonian-American
Polish-American
- Adam Mickiewicz Library and Dramatic Circle
- American Council for Polish Culture
- Copernicus Foundation
- National Polish-American Sports Hall of Fame
- Polish American Association
- Polish American Congress
- Polish Roman Catholic Union of America
- Polish Women's Alliance
- Sons of Poland
Swedish-American
Norwegian-American
- Independent Order of Vikings
- Norwegian-American Bygdelagenes Fellesraad
- Norwegian American Foundation
- Norwegian-American Genealogical Center & Naeseth Library
- Norwegian-American Historical Association
- Sons of Norway
- Vesterheim Norwegian-American Museum
Slovak Americans
Slovene-American
- Progressive Slovene Women of America
- Slovene National Benefit Society
- Slovene National Benefit Society (SNPJ)
- Slovenian Women's Union of America
- Western Slavonic Association
Hispanic and Latino Americans
- American Society of Hispanic Economists
- Association of Hispanic Arts (AHA)
- Association of Latino Professionals in Finance and Accounting
- Association of Naval Services Officers
- Hispanic National Bar Association
- Hispanic Organization of Latin Actors
- League of United Latin American Citizens (LULAC)
- National Association of Hispanic Journalists
- National Association of Latino Elected and Appointed Officials
- National Society for Hispanic Professionals
- National Society of Hispanic Physicists
- Society of Hispanic Professional Engineers
Cuban-American
Mexican-American
- Mexican American Legal Defense and Educational Fund (MALDEF)
- Mexican American Political Association
- Mexican American Youth Organization
- Society of Mexican American Engineers and Scientists
Jewish-American
- 92nd Street Y
- American Jewish Committee
- American Jewish Congress
- B'nai B'rith
- Farband
- Hadassah
- JCC Association - umbrella organization for many Jewish Community Centers, Young Men's Hebrew Associations (YMHAs), and Young Women's Hebrew Associations (YWHAs)
- Jewish Council for Public Affairs
- Jewish Federations of North America - umbrella organizations for many Jewish Federations
- National Council of Jewish Women
- The Workmen's Circle