Sisian Municipality, referred to as Sisian Community (Armenian: Սիսիան Համայնք Sisian Hamaynk), is an urban community and administrative subdivision of Syunik Province of Armenia, at the south of the country. It is a group of settlements whose administrative centre is the town of Sisian.

Sisian Municipal Assembly (Armenian: Սիսիանի համայնքապետարան, Sisiani hamaynqapetaran) is the representative body in Sisian Municipality, consisting of 21 members which are elected every five years. The last election was held in March 2023. Armen Hakobjanyan of Civil Contract Party was elected mayor.

Ruling coalition or party marked in bold.