| Kadayal | |
| — city — | |
| Coordinates | |
| Country | India |
| State | Tamil Nadu |
| District(s) | Kanniyakumari |
| Population | 19,226 (2001[update]) |
| Time zone | IST (UTC+05:30) |
Kadayal is a panchayat town in Kanniyakumari district in the Indian state of Tamil Nadu.
As of 2001[update] India census[1], Kadayal had a population of 19,226. Males constitute 49% of the population and females 51%. Kadayal has an average literacy rate of 77%, higher than the national average of 59.5%: male literacy is 80%, and female literacy is 74%. In Kadayal, 13% of the population is under 6 years of age.