| State: | ID |
| Route: | 27 |
| Map Custom: | yes |
| Map Notes: | SH-27 highlighted in red |
| Type: | SH |
| Length Mi: | 26.561 |
| Length Ref: | [1] |
| Direction A: | South |
| Terminus A: | Oakley |
| Direction B: | North |
| Terminus B: | in Paul |
| Junction: | in Burley near Burley |
| Previous Type: | US |
| Previous Route: | 26 |
| Next Type: | SH |
| Next Route: | 28 |
| Counties: | Cassia, Minidoka |
State Highway 27 (SH-27) is a state highway in Idaho, United States, that runs from Oakley to SH-25 in Paul.
SH-27 begins in the town of Oakley and leaves the center of town on Center Street, heading due north. The highway makes a slight bend to the northeast before continuing north and entering the town of Burley as Overland Avenue. SH-27 intersects U.S. Route 30 (US 30) and runs concurrently with Interstate 84 Business (I-84 Bus.) as it leaves the town, heading north before turning northeast and intersecting I-84, where I-84 Business ends. The road continues north as 600 West Road, where it ends in the town of Paul at SH-25.