| State: | OR |
| Type: | OR |
| Route: | 370 |
| Map Custom: | yes |
| Map Notes: | Route 370 highlighted in red |
| Length Mi: | 17.87 |
| Direction A: | West |
| Terminus A: | US 97 near Redmond |
| Direction B: | East |
| Terminus B: | OR 126 in Prineville |
| Established: | 2002 |
| Previous Type: | OR |
| Previous Route: | 361 |
| Next Type: | OR |
| Next Route: | 380 |
Oregon Route 370 (OR 370) is an Oregon state highway running from US 97 near Redmond to OR 126 in Prineville. OR 370 is known as the O'Neil Highway No. 370 (see Oregon highways and routes). It is 17.87miles long and runs east - west.
OR 370 was established in 2002 as part of Oregon's project to assign route numbers to highways that previously were not assigned, and, as of July 2021, was unsigned.
OR 370 begins at an intersection with US 97 approximately 2miles north of Redmond and heads east through O'Neil to Prineville, where it ends at an intersection with OR 126.
OR 370 was assigned to the O'Neil Highway in 2002.