Organizations
- Triad (underground society), Chinese organized-crime societies
- Lexington Triad, a group of three fraternities founded at colleges in Lexington, Virginia
- Miami Triad, a group of three fraternities founded at Miami University in Oxford, Ohio
- Syracuse Triad, three women's sororities founded at Syracuse University
- Triad Broadcasting, US radio station operator
- Triad High School (disambiguation)
- Triad Hospitals, former hospital operator based in Plano, Texas
- Triad Racing Technologies, former NASCAR team
- Triad Securities, a broker-dealer
- Triad Strategies, American lobbying firm
- Triad Theater, in New York City
- Union Triad, a group of three fraternities founded at Union College in Schenectady, New York
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