| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Siah Rashkak | city | Sistan va Baluchestan | Iran | 28.19 | 60.80 | 4507 | 583 |
| Siah Rashkak | city | Sistan va Baluchestan | Iran | 28.38 | 60.59 | 5029 | 596 |
| Siah Rud | city | Gilan | Iran | 37.00 | 49.56 | 853 | 4619 |
| Siah Rud | city | Zanjan | Iran | 37.12 | 48.87 | 4425 | 2086 |
| Siah Rud | city | Iran | 34.25 | 50.74 | 6709 | 1713 | |
| Siah Rud | city | Gilan | Iran | 37.01 | 50.08 | 1856 | 10021 |
| Siah Rud Kenar | city | Gilan | Iran | 37.34 | 49.57 | -1689 | 83484 |
| Siah Rud Poshteh | city | Gilan | Iran | 37.00 | 49.56 | 853 | 4619 |
| Siah Rudbar | city | Gilan | Iran | 37.14 | 50.09 | 351 | 34095 |
| Siah Rudbar | city | Golestan | Iran | 36.82 | 55.05 | 3421 | 4868 |
| Siah Rudbar | city | Semnan | Iran | 35.98 | 53.43 | 8389 | 8195 |
| Siah Rudbar | city | Semnan | Iran | 35.99 | 53.44 | 9228 | 8195 |
| Siah Rudbar-e Bala Zatangeh | city | Semnan | Iran | 36.00 | 53.44 | 8389 | 8195 |
| Siah Rudbar-e Pa'in | city | Semnan | Iran | 35.98 | 53.43 | 8389 | 8195 |