| State: | OH |
| Type: | SR |
| Route: | 146 |
| Map: | OH 146 map.svg |
| Length Mi: | 65.38 |
| Length Round: | 2 |
| Length Ref: | [1] |
| Established: | 1924 |
| Direction A: | West |
| Terminus A: | near Nashport |
| Junction: |
|
| Direction B: | East |
| Terminus B: | in Summerfield |
| Counties: | Licking, Muskingum, Guernsey, Noble |
| Previous Type: | SR |
| Previous Route: | 145 |
| Next Type: | SR |
| Next Route: | 147 |
State Route 146 (SR 146) is an east-west state highway in the eastern portion of the U.S. state of Ohio. It runs 65.38miles from SR 16 near Nashport to SR 78 in Summerfield.