Wernstein am Inn Weanstoa
Coat of arms
Wernstein am Inn Location within Austria
Coordinates: 48°30′31″N 13°27′37″E / 48.50861°N 13.46028°E / 48.50861; 13.46028
Country	Austria
State	Upper Austria
District	Schärding
Government
• Mayor	Johann Mayr (ÖVP)
Area [1]
• Total	16.52 km2 (6.38 sq mi)
Elevation	319 m (1,047 ft)
Population  (2018-01-01)[2]
• Total	1,566
• Density	95/km2 (250/sq mi)
Time zone	UTC+1 (CET)
• Summer (DST)	UTC+2 (CEST)
Postal code	4783
Area code	07713
Vehicle registration	SD
Website	www.wernstein.at

Wernstein am Inn (Central Bavarian: Weanstoa) is a municipality in the district of Schärding in the Austrian state of Upper Austria.

Wernstein lies in the Innviertel. About 21 percent of the municipality is forest, and 67 percent is farmland.