| Pannaikadu | |
| Native Name Lang: | Tamil, Telugu |
| Other Name: | pannaimanagar |
| Nickname: | pannai |
| Settlement Type: | Town panchayat |
| Pushpin Map: | India Tamil Nadu |
| Pushpin Map Caption: | Location in Tamil Nadu, India |
| Coordinates: | 10.2803°N 77.5986°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Tamil Nadu |
| Subdivision Type2: | District |
| Subdivision Name2: | Dindigul |
| Subdivision Name3: | Kodaikannal |
| Unit Pref: | Metric |
| Area Total Km2: | 32 |
| Population Total: | 8731 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
Pannaikadu is a panchayat town in Dindigul district in the Indian state of Tamil Nadu.
The majority of population here are from a specific community called 24Manai Telugu chettiar. The People here speak modified Telugu, while Tamil is also a very Commonly used language. In this Village it has two divisions namely Aladipatty and Ooralpatty. There was a Government Hospital which was a midpoint between these two divisions.
The town covers an area of 32 square kilometers.the main water source is aruganal and solamalai river water
Under the Köppen–Geiger climate classification system, Pannaikadu has a tropical savanna climate (Aw). Annually, the town averages a temperature of 20.7 °C and precipitation of 1345 mm.[1]
Indian census, there were 2,493 households in the town and a population of 8731. The average literacy rate of the town is 76% with male literacy of 82% and female literacy of 71%.[2]