Liberal Citizens Action (Spanish: Acción Ciudadana Liberal; ACL) was a political party in Spain at the time of its transition to democracy.

[1] The president of the party was José María de Areilza, Minister of Foreign Affairs from 1975 to 1976.

[2] Areilza had left Adolfo Suarez's Union of the Democratic Centre (UCD).

In the 1979 elections ACL was part of the Democratic Coalition, together with Manuel Fraga's People's Alliance (AP).

Areilza was elected deputy in Madrid.