| Country: | ISL |
| Type: | Primary |
| Route: | 37 |
| Map: | Iceland Route 37.png |
| Length Km: | 36.4 |
| Length Ref: | [1] |
| Direction A: | Eastern |
| Terminus A: | Biskupstungnabraut |
| Direction B: | Southern |
| Terminus B: | Biskupstungnabraut |
Laugarvatnsvegur (in Icelandic pronounced as /ˈlœyːɣarˌvassˌvɛːɣʏr̥/) or Route 37 is a primary road in southern Iceland. It is a spur route of Route 35 that connects Laugarvatn to the main road network.