| State: | FL |
| Type: | SR |
| Route: | 651 |
| Map Custom: | yes |
| Length Mi: | 3.798 |
| Length Ref: | [1] |
| Direction A: | South |
| Terminus A: | in Largo |
| Direction B: | North |
| Terminus B: | in Clearwater |
| Counties: | Pinellas |
| Previous Type: | SR |
| Previous Route: | 636 |
| Next Type: | SR |
| Next Route: | 655 |
State Road 651 (SR 651) is a 3.798adj=midNaNadj=mid state highway in Pinellas County, Florida, that runs from U.S. Route 19 Alternate and Florida State Road 686 in southern Largo to Florida State Road 60 and County Road 375 in Clearwater. It is unsigned throughout, running concurrent with U.S. Route 19 Alternate for the first 3.041miles, then with Florida State Road 60 until its terminus.