| Periyapet | |
| Native Name Lang: | ta |
| 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: | Vellore |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Tamil & Urdu |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Registration Plate: | TN- |
Periyapet is a locality of Vaniyambadi in Vellore District, Tamil Nadu. It is located near to the branch of river Palar. There are 4 mosques and 1 temple located here. Azhagu Perumal Temple is one of the famous temple of Vaniyambadi is located here. Villages like Old Vaniyambadi, Nadupettarai etc. are located next to the branch of river Palar. Periyapet is located nearly 1.5 km from Vaniyambadi Bus stand and Vaniyambadi Railway Station
The following list of schools are present at Periyapet
1. Madarasa -e- faizul aam
2. Madarasatul-banath
3. Municipal Elementary School
Masthan Dargah, one of the most old and famous dargah of Vaniyambadi, is located here. Each year, the birth of the saint Masthan Baba is celebrated here. People from all over Tamil Nadu come to see this Dargah.
Mini Bus facility is available from here to go to Vaniyambadi and villages like Ramanaickenpettai, Ambalur, Kodayanchi, Dasiriyappanur etc.