| Thayatheru | |
| Settlement Type: | town |
| Pushpin Map: | India Kerala |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Kerala, India |
| Coordinates: | 11.8694°N 75.3764°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Kerala |
| Subdivision Type2: | District |
| Subdivision Name2: | Kannur |
| 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- |
| Iso Code: | IN-KL |
Thayatheru is a small place in Kannur district of Kerala state, South India. Thayatheru means "the street below". It is near Kannur and is easily accessible via National Highway 17 (NH 17).
Thayatheru is mainly a residential area with a large Muslim population. The major Malayalam newspaper, Malayala Manorama, has its Kannur district office in Thayatheru. The Malabar Chamber of Commerce, Kannur is also near Thayatheru.[1]