| Koonamthai | |
| Settlement Type: | village |
| Pushpin Map: | India Kerala#India |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Kerala, India |
| Coordinates: | 10.0333°N 76.3°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Kerala |
| Subdivision Type2: | District |
| Subdivision Name2: | Ernakulam |
| 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: | 682024 |
| Registration Plate: | KL-07 |
Koonamthai is an area in the city of Kochi in Kerala, India. Situated around 8 km from the city centre, it is one of the wards in Kalamassery municipality.[1]