| Type: | town |
| County: | Hunedoara |
| Leader Name: | Iulius-Gelu Bedea[1] |
| Leader Party: | PSD |
| Term: | 2020 - 2024 |
| Coordinates: | 45.85°N 23.01°W |
| Elevation: | 200 |
| Area Total: | 49.75 |
| Population Total: | auto |
| Postal Code: | 335900 |
| Area Code: | (+40) 02 54 |
Simeria (in Romanian; Moldavian; Moldovan pronounced as /siˈmeri.a/; German: Fischdorf; Hungarian: Piski) is a town in Hunedoara County, Transylvania, Romania, and an important railway junction with a hump yard. Six villages are administered by the town: Bârcea Mare (Nagybarcsa), Cărpiniș (Gyertyános), Simeria Veche (Ópiski), Sântandrei (Szentandrás), Șăulești (Sárfalva), and Uroi (Arany).
The town lies on the banks of the Mureș River, near where the Strei River discharges into it. It is located in the central part of Hunedoara County, between the Apuseni Mountains to the north and the Retezat Mountains to the south.