The Clean Air Act may refer to:
Legislation in the United Kingdom Clean Air Act 1956 Clean Air Act 1956#Further legislation - Clean Air Act 1968 Clean Air Act 1956#Clean Air Act 1993 - Following repeal of 1956 and 1968 Acts, updated by 1993 Act
Legislation in other countries Clean Air Act (United States) of 1963, with later amendments Clean Air Act 1972, New Zealand; repealed by Resource Management Act 1991 Clean Air Bill (Thailand), proposed legislation
See also Air quality law Canadian Environmental Protection Act, 1999