The Chadian Action for Unity and Socialism (Action Tchadienne pour l'Unité et le Socialisme) is a communist political party in Chad, led by Fidèle Moungar . The party was founded in 1981. ACTUS won one seat in the parliamentary elections of 2002.

ACTUS publishes the magazine Perspectives.

There is a break-away faction of ACTUS led by Ley-Ngardigal Djimadoum.