| Chemmanvilai | |
| Other Name: | செம்மன்விளை |
| Settlement Type: | Village |
| Pushpin Map: | India Tamil Nadu#India |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Tamil Nadu, India |
| Coordinates: | 8.2239°N 77.3369°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Tamil Nadu |
| Subdivision Type2: | District |
| Subdivision Name2: | Kanyakumari |
| Unit Pref: | Metric |
| Population Total: | 1500 |
| Population As Of: | 2012 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Tamil |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 629175 |
| Area Code Type: | Telephone code |
| Area Code: | 91-4651 |
| Registration Plate: | TN-75 |
| Blank1 Name Sec1: | Nearest city |
| Blank1 Info Sec1: | Nagercoil, Marthandam |
| Blank2 Name Sec1: | Literacy |
| Blank2 Info Sec1: | 85% |
| Blank3 Name Sec1: | Lok Sabha constituency |
| Blank3 Info Sec1: | Kanyakumari |
| Blank4 Name Sec1: | Vidhan Sabha constituency |
| Blank4 Info Sec1: | Padmanabhapuram |
| Website: | Official Site |
Chemmanvilai ( செம்மன்விளை) is a village in Chadayamangalam Panchayat, Kalkulam Taluk in Kanyakumari District, Tamil Nadu, India. St. Antony's church stands in the middle of the village.
It is near to the Nagercoil–Thiruvananthapuram Highway. The nearest railway station is located in Eraniel at a distance of approximately 6km (04miles). The nearest airport to Chemmanvilai is the Trivandrum International Airport, which is approximately 54km (34miles) away. Chemmanvilai is also called Appattuvilai.
Church census, Chemmanvilai had a population of 1500. Males constitute 51% of the population and females 49%. Chemmanvilai has an average literacy rate of 85%, higher than the national average of 59.5%; 83% of the males and 89% of females are literate.
St.Antony's Church http://wikimapia.org/#lang=en&lat=8.224137&lon=77.337624&z=17&m=b&show=/28147549/St-Antony-Church-Chemmanvilai-Appattuvilai, located right in the middle of the village, is also an important worship center that plays an important role in the lives of the people in the village. St. Antony's Church is an ancient church which is mentioned in ancient Indian history of Travancore Kingdom. In the little church in Chemmanvilai martyr Devasahayam Pillai came to pray in his last days of life.[1] The Church is under the control of Roman Catholic Diocese of Kuzhithurai.[2]
St. Antony Church Festival is celebrated for ten days with grand events with prayer, music, drama and fireworks that add color to this religious event. The festival dates are based on the St. Antony Feast, in last weeks of May every year. And also the feast of St. Antony will be celebrated on 13 June. People from various places come here and pray with St. Antony.