| Seckau | |
| Settlement Type: | Municipality |
| Pushpin Map: | Austria |
| Pushpin Mapsize: | 270 |
| Pushpin Map Caption: | Location within Austria |
| Coordinates: | 47.275°N 14.785°W |
| Subdivision Type: | Country |
| Subdivision Name: | Austria |
| Subdivision Type1: | State |
| Subdivision Name1: | Styria |
| Subdivision Type2: | District |
| Subdivision Name2: | Murtal |
| Parts Style: | para |
| Leader Title: | Mayor |
| Leader Name: | Simon Pletz (ÖVP) |
| Elevation M: | 843 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Registration Plate: | KF |
| Postal Code Type: | Postal code |
| Postal Code: | 8732 |
| Area Code Type: | Area code |
| Area Code: | 03514 |
| Website: | www.seckau.at |
Seckau (sl|Sekava ) is a Marktgemeinde in the state of Styria, Austria. It is situated near Knittelfeld. It is known for the Benedictine Seckau Abbey, once the seat of the bishopric Graz-Seckau.