| Official Name: | Namdalseid |
| Settlement Type: | Village |
| Pushpin Map: | Trøndelag#Norway |
| Pushpin Label Position: | top |
| Pushpin Map Caption: | Location of the village |
| Subdivision Type: | Country |
| Subdivision Name: | Norway |
| Subdivision Name1: | Central Norway |
| Subdivision Name2: | Trøndelag |
| Subdivision Type3: | District |
| Subdivision Name3: | Namdalen |
| Subdivision Type4: | Municipality |
| Subdivision Name4: | Namsos |
| Utc Offset1: | +01:00 |
| Utc Offset1 Dst: | +02:00 |
| Area Total Km2: | 0.3 |
| Population As Of: | 2018 |
| Population Total: | 342 |
| Population Density Km2: | 1140 |
| Postal Code Type: | Post Code |
| Postal Code: | 7750 Namdalseid |
| Coordinates: | 64.2219°N 11.2232°W |
| Elevation M: | 51 |
| Elevation Footnotes: | [1] |
Namdalseid is a village in Namsos municipality in Trøndelag county, Norway. The village is located along the Norwegian County Road 17, about north of the town of Steinkjer and about the same distance south of the town of Namsos. The Namdalseid Church sits just southwest of the village. There's a school in the village as well.[2]
The 0.3km2 village has a population (2018) of 342 and a population density of .[3]
Prior to 2020, the village was the administrative centre of the old Namdalseid Municipality.