| Ariyappampalayam | |
| Native Name: | Palayagalayanur |
| Nickname: | River Town |
| Settlement Type: | Town Panchayat |
| Pushpin Map: | India Tamil Nadu |
| Pushpin Map Caption: | Location in Tamil Nadu, India |
| Coordinates: | 11.3958°N 77.0797°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Tamil Nadu |
| Subdivision Type2: | District |
| Subdivision Name2: | Erode |
| Established Date: | 15.08.1947 |
| Founder: | Jawaharlal nehru |
| Government Type: | Madras state |
| Governing Body: | townpanchayat |
| Unit Pref: | Metric |
| Area Total Km2: | 13.4 |
| Population Total: | 15704 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Tamil |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code: | 641402 |
| Registration Plate: | TN 36Z |
Ariyappampalayam is a town panchayat in the Sathyamangalam block of Erode district, Tamil Nadu, India. Upgraded to a town panchayat in 1960, it encompasses Old Kaliyanur, New Kaliyanur, and Ariyappampalayam. Notable features include its proximity to the Bhavani River and the Periyur Maakaaliyamman Temple. It's evolving as a significant town adjacent to Sathyamangalam city and ranks as the 12th largest in Erode district.
Ariyappampalayam Town Panchayat is located 58.6 km away from Erode. Nearby, Gobichettipalayam is 24 km to the east, Mettupalayam is 40 km to the west, Sathyamangalam is 2 km to the north, and Puliyampatti is 20 km to the south. The town panchayat of Ariyappampalayam spans 9.06 square kilometers, consists of 15 council members, and includes 64 streets. It falls under the Bhavani Sagar (State Assembly constituency) and Nilgiris (Parliamentary constituency).