| State: | ME |
| Type: | ME |
| Route: | 188 |
| Map Custom: | yes |
| Length Mi: | 12.99 |
| Length Ref: | [1] |
| Direction A: | West |
| Terminus A: | in Enfield |
| Direction B: | East |
| Terminus B: | Grand Falls Road in Burlington |
| Counties: | Penobscot |
| Previous Type: | ME |
| Previous Route: | 187 |
| Next Type: | ME |
| Next Route: | 189 |
State Route 188 (SR 188) is part of Maine's system of numbered state highways, located in Penobscot County. It runs through three towns for the entire length: Enfield, Lowell, and Burlington. The route's western terminus is at SR 155 in Enfield. The route's eastern terminus is in southern Burlington near Saponac Pond where the road continues into the unorganized territory of East Central Penobscot as Grand Falls Road.