Ceux du dehors (1981) is the third album by the Belgian RIO band Univers Zero.

The title translates as "The Outsiders", which strongly alludes, among other things, to the Dark Fantasy works of HP Lovecraft.

The CD pressing adds a seventh track, "Triomphe des mouches", previously released as a one-sided single.

Ceux du dehors was the first Univers Zero album without guitarist and founding member Roger Trigaux, who had left to form his own group, Present.

"La musique d'Erich Zann" is a collective group improvisation.