| Thingalnagar | |
| Other Name: | Monday Market |
| Nickname: | Thingal Santhai |
| Settlement Type: | Town panchayat |
| Pushpin Map: | India Tamil Nadu#India |
| Pushpin Label Position: | Right |
| Pushpin Map Caption: | Location in Tamil Nadu, India |
| Coordinates: | 8.1964°N 77.2997°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Tamil Nadu |
| Subdivision Type2: | District |
| Subdivision Name2: | Kanniyakumari |
| Unit Pref: | Metric |
| Population Total: | 12554 |
| Population As Of: | 2001 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Tamil |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
Thingalnagar is the town panchayat, located in Kanniyakumari district in the Indian state of Tamil Nadu.
The origin of the name "Thingalnagar" ("Monday Market" in English) is that every Monday, people from several nearby villages, wholesalers, and farmers for trading gather at the market. Markets can be found in Thingalnagar selling fresh marine fish, vegetables, and pets.
Religion 62.3% Christians and 25% hindus according to census 2011
As of the 2001 Census of India,[1] Thingalnagar has a population of 12,554. Males constitute 49% of the population, and females 51%. Thingalnagar has an average literacy rate of 78%, higher than the national average of 59.5%; male literacy is 81%, and female literacy is 76%. In Thingalnagar, 10% of the population is under 6 years of age.