The Terrorism Act may refer to legislation in various countries:
South Africa Terrorism Act No 83 of 1967
United Kingdom
Prevention of Terrorism Act (Northern Ireland), laws passed between 1974 and 1989 to deal with terrorism in Northern Ireland Terrorism Act 2000 Anti-terrorism, Crime and Security Act 2001 Prevention of Terrorism Act 2005 Terrorism Act 2006 Terrorism (Northern Ireland) Act 2006 Terrorism (Protection of Premises) Act 2025
See also Anti-terrorism legislation :Category:Terrorism laws