| Type: | Stadtteil |
| Town: | Möckern |
| Image Coa: | DE-ST 15-0-86-140 Rosian COA.png |
| Coordinates: | 52.0667°N 21°W |
| State: | Sachsen-Anhalt |
| District: | Jerichower Land |
| Elevation: | 89 |
| Area: | 29.50 |
| Population: | 431 |
| Stand: | 2023 |
| Postal Code: | 39279 |
| Area Code: | 039245 |
| Licence: | JL |
| Website: | www.moeckern-flaeming.de |
Rosian is a village and a former municipality in the Jerichower Land district, in Saxony-Anhalt, Germany. Since 1 January 2009, it is part of the town Möckern.[1] Its population is 431 (2023).[2]