| State: | PR |
| Type: | PR |
| Route: | 179 |
| Maint: | Puerto Rico DTPW |
| Length Km: | 20.2 |
| Direction A: | South |
| Terminus A: | in Caimital |
| Junction: | |
| Direction B: | North |
| Terminus B: | in Guavate |
| Municipalities: | Guayama, Patillas, Cayey |
| Previous Type: | Ter |
| Previous Route: | 178 |
| Next Type: | Ter |
| Next Route: | 180 |
Puerto Rico Highway 179 (PR-179) is a rural road that travels from Guayama to Cayey in Puerto Rico. It goes through Patillas but with no major junctions.[1] This road extends from PR-15 north of downtown Guayama and ends at PR-184 in Farallón.[2]