The House of Terror is a museum located at Andrássy Avenue 60 in Budapest, Hungary. It contains exhibits related to the fascist and communist regimes in 20th-century Hungary and is also a memorial to the victims of these regimes, including those detained, interrogated, tortured, or killed in the building.

The museum opened on 24 February 2002, and its director general has been Mária Schmidt.

The House of Terror is a member organization of the Platform of European Memory and Conscience. Visitors including Zbigniew Brzezinski, Francis Fukuyama, and Hayden White have praised the institution.