| State: | HI |
| Type: | HI |
| Route: | 37 |
| Map Custom: | yes |
| Map Notes: | Route 37 highlighted in red |
| Length Mi: | 24.1 |
| Direction A: | South |
| Terminus A: | near Kula |
| Direction B: | North |
| Terminus B: | in Kahului |
| Counties: | Maui |
| Previous Type: | HI |
| Previous Route: | 36 |
| Next Type: | HI |
| Next Route: | 44 |
Hawaii Route 37 is a 24.1miles road on the island of Maui in Maui County, Hawaii, United States.
Route 37's northern terminus is with Route 36, where it heads eastward as Haleakala Highway. At the junction with Route 377, it becomes the Kula Highway, until its southern terminus with Route 31. A short 1.6 mile section of the Kula Highway between Thompson and Kamaole Roads is also called Ulupalakua Road.