Vransko (Franz ) is a small town in central Slovenia. It is the seat of the Municipality of Vransko. It lies on the western edge of the Savinja Valley. This area is part of the traditional region of Styria. The municipality is now part of the Savinja Statistical Region.
Vransko was attested in historical sources as Vrensk in 1123–1146, Wraynçke in 1302, Vrensch in 1339, and Vraensch in 1341. The name is derived via ellipsis from *Vransko selo 'Vran's village', referring to an early individual associated with the place.