Chinnamanur is a city and a municipality in Theni district in the state of Tamil Nadu, India.
As of 2001[update] India census, Chinnamanur had a population of more than 40000. Males constitute 50% of the population and females 50%. Chinnamanur has an average literacy rate of 72%, higher than the national average of 59.5%; with male literacy of 79% and female literacy of 65%. 11% of the population is under 6 years of age.
Copper inscriptions, which are all taken from Chinnamanur in the British period, are available in London museum[which].