| Sithayankottai | |
| Settlement Type: | Town |
| Pushpin Map: | India Tamil Nadu |
| Pushpin Map Caption: | Location in Tamil Nadu, India |
| Coordinates: | 10.2967°N 77.8194°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Tamil Nadu |
| Subdivision Type2: | District |
| Subdivision Name2: | Dindigul |
| Unit Pref: | Metric |
| Population Total: | 12052 |
| Population As Of: | 2001 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Tamil |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
Sithayankottai is a panchayat town in Dindigul district in the Indian state of Tamil Nadu.
India census,[1] Sithayankottai had a population of 12,052. Males constitute 50% of the population and females 50%. Sithayankottai has an average literacy rate of 60%, higher than the national average of 59.5%: male literacy is 69%, and female literacy is 51%. In Sithayankottai, 11% of the population is under 6 years of age.