Vicdessos (French pronunciation: [vikdəso]; Occitan: Vic de Sòs) is a former commune in the Ariège department in southwestern France.

On 1 January 2019, it was merged into the new commune Val-de-Sos.

This Pyrenean town lies in the Natural regional park of Pyrenées ariégoises in the Vicdessos valley, at the feet of the Montcalm mountains.

Inhabitants of Vicdessos are called Vicdessosiens in French.

This Ariège geographical article is a stub.