| Official Name: | Gruben |
| Settlement Type: | Village |
| Pushpin Map: | Nordland#Norway |
| Pushpin Label Position: | top |
| Pushpin Map Caption: | Location in Nordland |
| Subdivision Type: | Country |
| Subdivision Name: | Norway |
| Subdivision Name1: | Northern Norway |
| Subdivision Name2: | Nordland |
| Subdivision Type3: | District |
| Subdivision Name3: | Helgeland |
| Subdivision Type4: | Municipality |
| Subdivision Name4: | Rana |
| Utc Offset1: | +01:00 |
| Utc Offset1 Dst: | +02:00 |
| Postal Code Type: | Post Code |
| Postal Code: | 8610 Mo i Rana |
| Coordinates: | 66.3175°N 14.2228°W |
| Elevation M: | 58 |
| Elevation Footnotes: | [1] |
Gruben is a village in the municipality of Rana in Nordland county, Norway. Gruben sits on the southern shore of the river Ranelva and it is a southeastern suburb of the town of Mo i Rana. European route E12 originally passed through of the village, but since 1995 it has passed north of the village.
Gruben has four daycare centres, a school with secondary classes, two grocery stores, one nursing home care, two petrol stations and a lot of local businesses. Gruben Church is a parish church that was built in 1965 with about 550 seats.