Tulln District
| Tulln District Bezirk Tulln | |
|---|---|
| Country | Austria | 
| State | Lower Austria | 
| Number of municipalities | 22 | 
| Administrative seat | Tulln an der Donau | 
| Government | |
| • District Governor | Andreas Riemer | 
| Area | |
|  • Total | 734.0 km2 (283.4 sq mi) | 
| Population  (1 January 2016) | |
|  • Total | 100,851 | 
| • Density | 140/km2 (360/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
Bezirk Tulln is a district of the state of Lower Austria in Austria.