Silene supina is a species of flowering plant in the family Caryophyllaceae.

It is native to the Balkans, North Caucasus, and Iran.

The species grows on stony slopes and sand.

[3] The species can be found in Albania, Greece, Croatia, Slovenia, Serbia, North Macedonia, Republic of Bosnia and Herzegovina, Montenegro and in the North Caucasus.

[4] Subspecies of this species include:[5]