| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Rafan | city | Departamento de Lambayeque | Peru | -7.0386111 | -79.6883333 | 39 | 30659 |
| Raffan | city | Departamento de Lambayeque | Peru | -7.0386111 | -79.6883333 | 39 | 30659 |
| Rafán | city | Departamento de Lambayeque | Peru | -7.0386111 | -79.6883333 | 39 | 30659 |
| Redondito | city | Departamento de Lambayeque | Peru | -5.5747222 | -80.0561111 | 1066 | 6870 |
| Redondo | city | Departamento de Lambayeque | Peru | -5.6991667 | -80.0419444 | 498 | 7144 |
| Redondo Ciudad | city | Departamento de Lambayeque | Peru | -5.6991667 | -80.0419444 | 498 | 7144 |
| Reque | city | Departamento de Lambayeque | Peru | -6.8655556 | -79.8177778 | 278 | 31903 |
| Rescate | city | Departamento de Lambayeque | Peru | -6.4333333 | -79.8166667 | 439 | 4697 |
| Ricardo | city | Departamento de Lambayeque | Peru | -6.8 | -79.8 | 6 | 31914 |
| Rinconazo | city | Departamento de Lambayeque | Peru | -6.8111111 | -79.6808333 | 65 | 31914 |
| Rio Hondo | city | Departamento de Lambayeque | Peru | -6.6091667 | -79.91 | 488 | 4058 |
| Riopampa | city | Departamento de Lambayeque | Peru | -6.2538889 | -79.3830556 | 7421 | 8179 |
| Rivadeneyra | city | Departamento de Lambayeque | Peru | -6.4166667 | -79.85 | 370 | 3823 |
| Rivadeneyra Hacienda | city | Departamento de Lambayeque | Peru | -6.4166667 | -79.85 | 370 | 3823 |
| Romero | city | Departamento de Lambayeque | Peru | -6.5013889 | -80.097222 | 183 | 3757 |
| Rompon | city | Departamento de Lambayeque | Peru | -6.6333333 | -79.75 | 393 | 10674 |
| Rompón | city | Departamento de Lambayeque | Peru | -6.6333333 | -79.75 | 393 | 10674 |
| Rubio | city | Departamento de Lambayeque | Peru | -6.3833333 | -79.8166667 | 383 | 4129 |
| Rumichaca | city | Departamento de Lambayeque | Peru | -6.2733333 | -79.2702778 | 10029 | 7956 |
| Río Hondo | city | Departamento de Lambayeque | Peru | -6.6091667 | -79.91 | 488 | 4058 |