| Periyavalayam | |
| Settlement Type: | village |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Tamil Nadu, India |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Tamil Nadu |
| Subdivision Type2: | District |
| Subdivision Name2: | Ariyalur |
| Unit Pref: | Metric |
| Population Total: | 3305 |
| Population As Of: | 2001 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Tamil |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 621802 |
| Registration Plate: | TN-46 |
| Blank1 Name Sec1: | Coastline |
| Blank1 Info Sec1: | 0km (00miles) |
| Blank2 Name Sec1: | Sex ratio |
| Blank2 Info Sec1: | 1062/1703 ♂/♀ |
| Blank3 Name Sec1: | Literacy |
| Blank3 Info Sec1: | 65.30% |
Periyavalayam is a village in the Udayarpalayam taluk of Ariyalur district, Tamil Nadu, India.
As per the 2001 census, Periyavalayam had a total population of 3305 with 1602 males and 1703 females.[1]
Angarayanallur, Chinnavalayam, Jayankondam, Kaluvanthondi, Karadikulam, Kilakudiyiruppu, and Sengunthapuram post offices share the same Postal Index (PIN) Code: 621802.[2] Gangaikonda cholapuram, the famous temple is just 10.00 km away from Periyavalayam.