| Koviloor | |
| Other Name: | Kovilur |
| Settlement Type: | Village |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Tamil Nadu, India |
| Coordinates: | 10.15°N 78.27°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Tamil Nadu |
| Subdivision Type2: | District |
| Subdivision Name2: | Sivaganga |
| Subdivision Type3: | Taluk |
| Subdivision Name3: | Karaikudi |
| Leader Title: | Panchayat President |
| Unit Pref: | Metric |
| Population Total: | 4287 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Tamil |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code: | 630307 |
| Registration Plate: | TN63Z |
Koviloor is a suburban village to the west of Karaikudi of Sivaganga District of the Indian state of Tamil Nadu. It contains Arulmigu Kotravaaleeswara Temple,[1] which is more than 1500 years old. It has one of the country's oldest mutts, Koviloor Adheenam.[2]
According to the 2011 census, the total population of Koviloor is 4,287 with an average sex ratio of 977 (2,168 males and 2,119 females).[3]
Koviloor is connected by roads to nearby towns and cities. It is located on the main road connecting Madurai with Karaikudi. Buses travel to Tirupattur and Karaikudi. Rural buses are available from Karaikudi, Tiruppattur, and Devakottai with connections to Madurai.
Koviloor has TNSTC Karaikudi regional headquarters.[5] Tamil Nadu Chemicals Pvt. Ltd. manufactures chemicals like sodium hydrosulfite and its byproducts.[6] [7] The SETC Karaikudi Depot is there.[8]
Koviloor has colleges and schools: