| Sankt Marienkirchen bei Schärding | |
| Pushpin Map: | Austria |
| Pushpin Mapsize: | 270 |
| Pushpin Map Caption: | Location within Austria |
| Coordinates: | 48.3833°N 13.45°W |
| Subdivision Type: | Country |
| Subdivision Name: | Austria |
| Subdivision Type1: | State |
| Subdivision Name1: | Upper Austria |
| Subdivision Type2: | District |
| Subdivision Name2: | Schärding |
| Parts Style: | para |
| Leader Title: | Mayor |
| Leader Name: | Bernhard Fischer |
| Elevation M: | 338 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Registration Plate: | SD |
| Postal Code Type: | Postal code |
| Postal Code: | 4774 |
| Area Code Type: | Area code |
| Area Code: | 07711 |
| Website: | www.st-marienkirchen.at |
Sankt Marienkirchen bei Schärding (German for "St. Mary's Church near Schärding") is a municipality in the district of Schärding in the Austrian state of Upper Austria.
Sankt Marienkirchen lies in the Innviertel. About 9 percent of the municipality is forest and 74 percent is farmland.