| Ludza Castle | |
|---|---|
| Ludza, Latvia | |
 Part of the castle ruins | |
  Ludza Castle | |
| Coordinates | 56°32′56″N 27°43′43″E / 56.54889°N 27.72861°E |
| Type | Castle |
| Site information | |
| Open to the public | yes |
| Condition | ruins up to 3 floors high |
| Site history | |
| Built | 1433 |
| Built by | Livonian Order |
| Materials | brick, stone |
| Demolished | 1654 |
 | |
Ludza Castle (Latvian: Ludzas pils, German: Ordensburg Ludsen) was a medieval castle built in Gothic style located next to a Catholic church, on the site of a former Latgalian wooden castle in the centre Ludza, Latvia, a small town in eastern Latgale. Its main purpose was to be an eastern outpost to control trade routes from Russia. Nowadays the impressive fragments of the castle walls, including a three-floor high fragment, still remain. The ruins are the main tourist attraction in the Ludza District, and is considered a symbol of the town.