| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Do Takhteh | city | Kerman | Iran | 29.16 | 57.81 | 7549 | 1255 |
| Do Talkhi | city | Khorasan-e Razavi | Iran | 35.77 | 59.25 | 5410 | 1788 |
| Do Tappeh | city | Kermanshah | Iran | 34.50 | 46.92 | 4251 | 6705 |
| Do Tappeh Bala | city | Zanjan | Iran | 36.11 | 48.91 | 6709 | 3156 |
| Do Tappeh Pa'in | city | Zanjan | Iran | 36.13 | 48.84 | 6171 | 3427 |
| Do Tappeh Pā’īn | city | Zanjan | Iran | 36.13 | 48.84 | 6171 | 3427 |
| Do Tappeh `Olya | city | Zanjan | Iran | 36.11 | 48.91 | 6709 | 3156 |
| Do Tappeh ‘Olyā | city | Zanjan | Iran | 36.11 | 48.91 | 6709 | 3156 |
| Do Tappeh-ye Bala | city | Zanjan | Iran | 36.11 | 48.91 | 6709 | 3156 |
| Do Tappeh-ye Pa'in | city | Zanjan | Iran | 36.13 | 48.84 | 6171 | 3427 |
| Do Tappeh-ye Pā’īn | city | Zanjan | Iran | 36.13 | 48.84 | 6171 | 3427 |
| Do Tappeh-ye Soflá | city | Zanjan | Iran | 36.13 | 48.84 | 6171 | 3427 |
| Do Tappeh-ye `Olya | city | Zanjan | Iran | 36.11 | 48.91 | 6709 | 3156 |
| Do Tappeh-ye ‘Olyā | city | Zanjan | Iran | 36.11 | 48.91 | 6709 | 3156 |
| Do Tavalī | city | Bushehr | Iran | 27.95 | 52.16 | 1827 | 3424 |
| Do Tireh | city | Mazandaran | Iran | 36.58 | 52.47 | 6 | 31285 |
| Do Tomb | city | Hormozgan | Iran | 27.69 | 56.53 | 2509 | 1937 |
| Do Tuti | city | Qom | Iran | 34.49 | 50.39 | 5193 | 902 |
| Do Tuvali | city | Bushehr | Iran | 27.95 | 52.16 | 1827 | 3424 |
| Do Tuyeh-ye Bala | city | Tehran | Iran | 35.45 | 51.40 | 3349 | 41810 |
| Do Tuyeh-ye Pa'in | city | Tehran | Iran | 35.42 | 51.44 | 3349 | 10627 |
| Do Tū | city | Kerman | Iran | 29.79 | 57.26 | 8389 | 1103 |
| Do Tūper | city | Khuzestan | Iran | 32.22 | 49.70 | 1669 | 2980 |
| Do Tūyeh | city | Tehran | Iran | 35.42 | 51.44 | 3349 | 10627 |
| Do Tūyeh-ye Pā’īn | city | Tehran | Iran | 35.42 | 51.44 | 3349 | 10627 |