| State: | SC |
| Type: | SC |
| Map: | SC 129 map.svg |
| Route: | 129 |
| Alternate Name: | Fort Prince Boulevard |
| Length Mi: | 4.970 |
| Length Ref: | [1] |
| Direction A: | South |
| Terminus A: | Falling Creek Road near Spartanburg |
| Junction: | near Spartanburg |
| Direction B: | North |
| Terminus B: | in Lyman |
| Established: | 1964 |
| Counties: | Spartanburg |
| Previous Type: | SC |
| Previous Route: | 128 |
| Next Type: | SC |
| Next Route: | 130 |
South Carolina Highway 129 (SC 129) is a 4.97miles state highway in the U.S. state of South Carolina. It connects Falling Creek Road near Spartanburg with U.S. Route 29 (US 29) and SC 292 in Lyman. It also has an interchange with Interstate 85 (I-85) just north of its southern terminus. The highway is known as Fort Prince Boulevard.
The route was built c. 1952, around the same time as the original construction of I-85 north of Spartanburg (now mainly Interstate 85 Business). It was bypassed c. 1960 by another piece of I-85.[2]