| Viyyoor | |
| Settlement Type: | place |
| Pushpin Map: | India Kerala#India |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Kerala, India |
| Coordinates: | 10.5511°N 76.2122°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Kerala |
| Subdivision Type2: | District |
| Subdivision Name2: | Thrissur |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Malayalam, English |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Registration Plate: | KL-08 |
Viyyoor is a residential area situated in the city of Thrissur in Kerala state of India. Viyyur is Ward 4 of Thrissur Municipal Corporation. It is dotted by a number of temples, churches, Mosques and is surrounded by lush greenery. It is about 4 km from Swaraj Round. It has one of the three central jails in Kerala, Viyyoor Central Jail.