Internal Security Act may refer to:
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Internal Security Act 1960
The Internal Security Act 1960 ( ms, Akta Keselamatan Dalam Negeri 1960, abbreviated ISA) was a preventive detention law in force in Malaysia. The legislation was enacted after the Federation of Malaya gained independence from Britain in 1957 ...
, former Malaysian law
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Internal Security Act (Singapore)
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McCarran Internal Security Act
The Internal Security Act of 1950, (Public Law 81-831), also known as the Subversive Activities Control Act of 1950, the McCarran Act after its principal sponsor Sen. Pat McCarran (D-Nevada), or the Concentration Camp Law, is a United States fede ...
, a United States federal law
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Suppression of Communism Act, 1950, a South African law, renamed the "Internal Security Act" in 1976
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Internal Security Act, 1982, a South African law
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