| Nellayi | |
| Settlement Type: | Village |
| Pushpin Map: | India Kerala#India |
| Pushpin Mapsize: | 200px |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Kerala, India |
| Coordinates: | 10.4°N 76.3°W |
| Subdivision Type: | Country |
| Subdivision Name: | India |
| Subdivision Type1: | State |
| Subdivision Name1: | Kerala |
| Subdivision Type2: | District |
| Subdivision Name2: | Thrissur |
| Governing Body: | Parappukkara Grama Panchayath, Pudukkad Grama Panchayath |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Malayalam, English |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 680305 |
| Registration Plate: | KL-45 |
Nellayi is a village in Kerala, India, located towards south of Thrissur. National Highway 544 (NH 544) passes through the village.Nellayi also has a railway station and place where station situated is at Pongotra, which is 1.5 kms from Highway(Nellayi-irinjalakuda road) and a Vyloor Shiva temple, Vyloor Nellayi. The village was mentioned in the Malayalam movie Passenger.
Nellayi was an assembly seat in old country Kochi. The assembly seat comes under Pudukkad constituency. Nellayi is a part of parpukkara grama Panchayat.