| Thirunellai | |
| Other Name: | Thirunellayi, Thiruvillakadavu |
| Settlement Type: | Suburb |
| Pushpin Map: | India Kerala#India |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Kerala, India |
| Coordinates: | 10.76°N 76.62°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Kerala |
| Subdivision Type2: | District |
| Subdivision Name2: | Palakkad |
| Governing Body: | Palakkad Municipality |
| 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: | 678020 |
| Area Code Type: | Telephone code |
| Area Code: | 0491 |
| Registration Plate: | KL-09 |
| Blank1 Name Sec1: | Nearest city |
| Blank1 Info Sec1: | Palakkad |
| Blank2 Name Sec1: | Literacy |
| Blank2 Info Sec1: | 95% |
| Blank3 Name Sec1: | Lok Sabha constituency |
| Blank3 Info Sec1: | Palakkad |
Thirunellai (translit=Tirunellāyi) is a residential area in Palakkad city, Kerala, India.[1] It is located on the banks of the Kannadi River and is about four kilometers from the district headquarters. Thirunellayi is famous for Agraharam .Thirunellayi is wards 35 and 36 of Palakkad Municipality.[2]