| Orur | |
| Other Name: | Oriyur |
| Settlement Type: | village |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Tamil Nadu, India |
| Coordinates: | 9.8402°N 79.0556°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Tamil Nadu |
| Subdivision Type2: | District |
| Subdivision Name2: | Ramanathapuram |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Tamil |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Blank1 Name Sec1: | Nearest city |
| Blank1 Info Sec1: | Devakottai |
Orur (sometimes spelled Oriyur or Oreiour) is a small village located in Tiruvadanai taluk, Ramanathapuram district, Tamil Nadu, India.[1] It is situated 35 km from Devakottai, Sivagangai. As of the 2011 Census of India, the village had a population of 5,065 across 1,171 households. There were 2,470 males and 2,595 females.
The Christian saint John de Britto, a Portuguese Jesuit known as Arulanandar in Tamil, was martyred at Orur in 1693.[2] There is a shrine to Britto in the village, where he is a significant figure revered by the Kallar, Maravar and Agamudayar castes.[3]