| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ioan Corvin | city | Constanta | Romania | 44.12 | 27.80 | 173 | 2028 |
| Ioan-Lahovary | city | Ilfov | Romania | 44.63 | 26.10 | 272 | 9806 |
| Ioanicesti | city | Arges | Romania | 45.07 | 24.52 | 1167 | 4983 |
| Ioaniş | city | Bihor | Romania | 46.67 | 22.28 | 830 | 7017 |
| Iobăgeni | city | Mures | Romania | 46.57 | 24.80 | 1669 | 7257 |
| Iobăi | city | Bistrita-Nasaud | Romania | 46.78 | 24.30 | 1669 | 4513 |
| Iod | city | Mures | Romania | 46.97 | 24.97 | 2053 | 1706 |
| Iohanisfeld | city | Timis | Romania | 45.57 | 20.86 | 219 | 2878 |
| Iohannisfeld | city | Timis | Romania | 45.57 | 20.86 | 219 | 2878 |
| Iojib | city | Satu Mare | Romania | 47.82 | 23.17 | 830 | 6355 |
| Iojibeni | city | Satu Mare | Romania | 47.78 | 23.13 | 830 | 6335 |
| Ion Arghirescu | city | Vaslui | Romania | 46.42 | 27.80 | 246 | 4292 |
| Ion Brătianu | city | Caras-Severin | Romania | 45.52 | 22.43 | 1669 | 5469 |
| Ion C. Bratianu | city | Galati | Romania | 45.53 | 27.53 | 32 | 9186 |
| Ion C. Bratianu | city | Caras-Severin | Romania | 45.52 | 22.43 | 1669 | 5469 |
| Ion C. Bratianu-Bulaci | city | Teleorman | Romania | 44.40 | 25.33 | 830 | 4886 |
| Ion C. Bratianu-Poeni | city | Teleorman | Romania | 44.40 | 25.33 | 830 | 4886 |
| Ion Corvin | city | Constanta | Romania | 44.12 | 27.80 | 173 | 2028 |
| Ion Gheorghe Duca | city | Suceava | Romania | 47.60 | 26.43 | 830 | 15916 |
| Ion Gheorghe Duca | city | Tulcea | Romania | 45.03 | 28.93 | 3 | 6110 |
| Ion Gheorghe Duca | city | Arges | Romania | 44.88 | 24.90 | 1066 | 94017 |
| Ion Gheorghe Duca | city | Olt | Romania | 44.37 | 24.63 | 830 | 6210 |
| Ion Gheorghe Duca | city | Neamt | Romania | 46.87 | 26.13 | 1774 | 2772 |
| Ion Gheorghe Duca | city | Calarasi | Romania | 44.45 | 27.55 | 121 | 3167 |
| Ion Gheorghe Duca | city | Constanta | Romania | 43.90 | 28.50 | 223 | 1811 |
| Ion Gheorghe Duca | city | Calarasi | Romania | 44.42 | 26.62 | 111 | 4821 |
| Ion Gheorghe Duca | city | Olt | Romania | 44.18 | 24.37 | 393 | 8585 |
| Ion Gheorghe Duca | city | Harghita | Romania | 46.28 | 25.03 | 1669 | 10931 |
| Ion Gheorghe Duca | city | Buzau | Romania | 45.05 | 26.60 | 278 | 6387 |
| Ion Gheorghe Duca | city | Galati | Romania | 45.87 | 27.90 | 147 | 7874 |
| Ion Gheorghe Duca | city | Teleorman | Romania | 44.15 | 25.54 | 265 | 9001 |
| Ion Ghica | city | Ialomita | Romania | 44.52 | 27.30 | 154 | 10537 |
| Ion I. C. Bratianu | city | Calarasi | Romania | 44.35 | 26.78 | 75 | 3501 |
| Ion I. C. Bratianu | city | Braila | Romania | 45.08 | 27.27 | 101 | 6609 |
| Ion I. C. Bratianu | city | Olt | Romania | 44.30 | 24.47 | 830 | 4669 |
| Ion Iacomi | city | Galati | Romania | 46.07 | 27.78 | 830 | 4402 |
| Ion Kalinderu | city | Olt | Romania | 44.33 | 24.55 | 830 | 5173 |
| Ion Lahovari | city | Calarasi | Romania | 44.43 | 27.48 | 82 | 2714 |
| Ion Lahovari | city | Ilfov | Romania | 44.63 | 26.10 | 272 | 9806 |
| Ion Luca Caragiale | city | Dambovita | Romania | 44.92 | 25.70 | 830 | 17519 |
| Ion Neculce | city | Iasi | Romania | 47.20 | 27.05 | 830 | 15013 |
| Ion Roată | city | Ialomita | Romania | 44.67 | 26.77 | 121 | 5833 |
| Ion T. Ghica | city | Teleorman | Romania | 44.07 | 25.40 | 275 | 9485 |
| Ionascu | city | Teleorman | Romania | 44.05 | 24.82 | 331 | 4202 |
| Ionaseni | city | Botosani | Romania | 47.82 | 26.37 | 944 | 4834 |
| Ionaseni | city | Botosani | Romania | 47.73 | 26.98 | 830 | 4840 |
| Ionasesti | city | Hunedoara | Romania | 46.27 | 22.73 | 1669 | 1368 |
| Ionasesti | city | Vrancea | Romania | 45.90 | 27.27 | 164 | 9701 |
| Ionaşcul | city | Teleorman | Romania | 44.05 | 24.82 | 331 | 4202 |
| Ioneasa | city | Suceava | Romania | 47.37 | 26.43 | 1026 | 7180 |
| Ionel Ştefan | city | Buzau | Romania | 44.95 | 27.22 | 52 | 4066 |
| Ionelele | city | Dolj | Romania | 44.00 | 23.55 | 101 | 4611 |
| Ionesti | city | Buzau | Romania | 45.48 | 26.43 | 2509 | 1039 |
| Ionesti | city | Arad | Romania | 46.23 | 22.55 | 830 | 2047 |
| Ionesti | city | Braila | Romania | 45.02 | 27.48 | 72 | 3701 |
| Ionesti | city | Valcea | Romania | 44.88 | 24.23 | 830 | 8619 |
| Ionesti | city | Dambovita | Romania | 44.68 | 25.28 | 830 | 15292 |
| Ionesti | city | Arges | Romania | 44.62 | 24.90 | 830 | 5639 |
| Ionesti | city | Gorj | Romania | 44.62 | 23.43 | 311 | 7683 |
| Ionestii-Govorei | city | Valcea | Romania | 44.88 | 24.23 | 830 | 8619 |
| Ionestii-Govorii | city | Valcea | Romania | 44.88 | 24.23 | 830 | 8619 |
| Ioneşti | city | Brasov | Romania | 46.15 | 25.33 | 1699 | 1721 |
| Ioneşti | city | Valcea | Romania | 44.85 | 24.23 | 830 | 7824 |
| Ioniceşti | city | Olt | Romania | 44.82 | 24.43 | 1669 | 4094 |
| Iorcani | city | Suceava | Romania | 47.33 | 26.52 | 1194 | 5927 |
| Iordacheanu | city | Prahova | Romania | 45.05 | 26.25 | 830 | 10584 |
| Iordăcheşti | city | Dolj | Romania | 44.50 | 23.35 | 830 | 5031 |
| Iordăchianu | city | Prahova | Romania | 45.05 | 26.25 | 830 | 10584 |
| Iorga | city | Botosani | Romania | 47.95 | 26.40 | 830 | 28839 |
| Iorga | city | Botosani | Romania | 48.05 | 27.07 | 341 | 5540 |
| Iorguleşti | city | Buzau | Romania | 45.27 | 26.27 | 1249 | 6904 |
| Iosa | city | Gorj | Romania | 44.77 | 23.40 | 830 | 3963 |
| Iosas | city | Arad | Romania | 46.28 | 22.33 | 830 | 2273 |
| Iosasel | city | Arad | Romania | 46.28 | 22.35 | 1246 | 2210 |
| Iosasel | city | Arad | Romania | 46.27 | 22.35 | 830 | 2125 |
| Iosaşi | city | Arad | Romania | 46.28 | 22.33 | 830 | 2273 |
| Iosefin | city | Timis | Romania | 45.75 | 21.23 | 298 | 332900 |
| Iosia | city | Bihor | Romania | 47.05 | 21.88 | 830 | 102928 |
| Iosif | city | Timis | Romania | 45.57 | 21.28 | 295 | 4240 |
| Iosifalau | city | Timis | Romania | 45.78 | 21.68 | 383 | 2759 |
| Iosupeni | city | Iasi | Romania | 47.35 | 27.00 | 406 | 11676 |