| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Чаданова | city | Irkutskaya Oblast' | Russia | 53.37 | 102.06 | 1827 | 298 |
| Чаловка | city | Irkutskaya Oblast' | Russia | 54.47 | 101.57 | 1715 | 298 |
| Чалоты | city | Irkutskaya Oblast' | Russia | 54.65 | 99.08 | 1870 | 0 |
| Чама | city | Irkutskaya Oblast' | Russia | 56.15 | 102.80 | 1669 | 4 |
| Чанский | city | Irkutskaya Oblast' | Russia | 54.08 | 102.32 | 1971 | 15 |
| Чанчур | city | Irkutskaya Oblast' | Russia | 53.83 | 106.99 | 2509 | 0 |
| Чара | city | Irkutskaya Oblast' | Russia | 58.76 | 118.13 | 830 | 0 |
| Частых | city | Irkutskaya Oblast' | Russia | 58.65 | 110.85 | 885 | 0 |
| Чаяндра | city | Irkutskaya Oblast' | Russia | 57.17 | 115.23 | 4238 | 0 |
| Чебогоры | city | Irkutskaya Oblast' | Russia | 52.42 | 103.53 | 1669 | 298 |
| Чеботариха | city | Irkutskaya Oblast' | Russia | 54.38 | 101.24 | 1669 | 298 |
| Чекановский | city | Irkutskaya Oblast' | Russia | 56.16 | 101.46 | 1151 | 5215 |
| Челяба | city | Irkutskaya Oblast' | Russia | 53.96 | 101.99 | 1669 | 37742 |
| Чемогариха | city | Irkutskaya Oblast' | Russia | 53.15 | 103.30 | 1669 | 339 |
| Чемякина | city | Irkutskaya Oblast' | Russia | 53.86 | 106.28 | 1765 | 0 |
| Ченастный | city | Irkutskaya Oblast' | Russia | 58.42 | 115.98 | 1683 | 0 |
| Ченча | city | Irkutskaya Oblast' | Russia | 58.87 | 117.55 | 1669 | 0 |
| Чептыхой | city | Irkutskaya Oblast' | Russia | 53.96 | 106.06 | 1732 | 0 |
| Червонны | city | Irkutskaya Oblast' | Russia | 59.62 | 115.68 | 3418 | 0 |
| Червонный | city | Irkutskaya Oblast' | Russia | 59.62 | 115.68 | 3418 | 0 |
| Червянка | city | Irkutskaya Oblast' | Russia | 57.65 | 99.55 | 830 | 149 |
| Черемнова | city | Irkutskaya Oblast' | Russia | 57.17 | 103.27 | 830 | 48 |
| Черемхово | city | Irkutskaya Oblast' | Russia | 53.16 | 103.07 | 1912 | 61121 |
| Черемша | city | Irkutskaya Oblast' | Russia | 55.65 | 101.52 | 1679 | 0 |
| Черемшанка | city | Irkutskaya Oblast' | Russia | 57.17 | 108.18 | 1112 | 0 |
| Черемшанка | city | Irkutskaya Oblast' | Russia | 56.10 | 97.48 | 1217 | 91 |
| Черемшанка | city | Irkutskaya Oblast' | Russia | 53.29 | 101.65 | 1902 | 298 |
| Черемшанка | city | Irkutskaya Oblast' | Russia | 52.02 | 104.86 | 1751 | 298 |
| Черемшанка | city | Irkutskaya Oblast' | Russia | 54.21 | 102.27 | 1669 | 0 |
| Черенганчет | city | Irkutskaya Oblast' | Russia | 56.60 | 98.00 | 1145 | 0 |
| Черепанова | city | Irkutskaya Oblast' | Russia | 52.98 | 103.24 | 1774 | 308 |
| Черепаново | city | Irkutskaya Oblast' | Russia | 54.97 | 103.17 | 1669 | 44 |
| Черкашина | city | Irkutskaya Oblast' | Russia | 58.62 | 108.50 | 1197 | 0 |
| Черницкая | city | Irkutskaya Oblast' | Russia | 52.73 | 104.32 | 1683 | 298 |
| Чернова | city | Irkutskaya Oblast' | Russia | 58.60 | 102.80 | 830 | 0 |
| Черногуй | city | Irkutskaya Oblast' | Russia | 53.63 | 105.30 | 2509 | 0 |
| Черноруд | city | Irkutskaya Oblast' | Russia | 53.00 | 106.72 | 1955 | 144 |
| Чернухина | city | Irkutskaya Oblast' | Russia | 53.05 | 102.94 | 1745 | 298 |
| Чернушка | city | Irkutskaya Oblast' | Russia | 53.04 | 102.19 | 1702 | 298 |
| Чернушка Первая | city | Irkutskaya Oblast' | Russia | 52.97 | 101.88 | 1863 | 298 |
| Чертовская | city | Irkutskaya Oblast' | Russia | 57.68 | 107.90 | 1122 | 0 |
| Чертовская | city | Irkutskaya Oblast' | Russia | 54.93 | 105.70 | 1669 | 0 |
| Черчет | city | Irkutskaya Oblast' | Russia | 56.73 | 97.86 | 872 | 98 |
| Четвёртый Блокпост | city | Irkutskaya Oblast' | Russia | 53.96 | 101.58 | 1699 | 0 |
| Четыреста Шестьдесять Девятый Километр | city | Irkutskaya Oblast' | Russia | 56.38 | 103.21 | 1778 | 149 |
| Чехово | city | Irkutskaya Oblast' | Russia | 54.47 | 99.39 | 1669 | 0 |
| Чехово-Рязановка | city | Irkutskaya Oblast' | Russia | 54.47 | 99.38 | 1669 | 0 |
| Чечуйск | city | Irkutskaya Oblast' | Russia | 58.07 | 108.70 | 830 | 0 |
| Чикан | city | Irkutskaya Oblast' | Russia | 54.90 | 105.66 | 1669 | 0 |
| Чилим | city | Irkutskaya Oblast' | Russia | 53.11 | 104.28 | 1827 | 447 |
| Чининга | city | Irkutskaya Oblast' | Russia | 54.62 | 107.28 | 1981 | 0 |
| Чиркино | city | Irkutskaya Oblast' | Russia | 53.88 | 102.12 | 1669 | 1357 |
| Чистополянский | city | Irkutskaya Oblast' | Russia | 56.39 | 103.12 | 1669 | 149 |
| Чистые Ключи | city | Irkutskaya Oblast' | Russia | 52.18 | 103.95 | 1669 | 612 |
| Чистый | city | Irkutskaya Oblast' | Russia | 55.47 | 103.21 | 1669 | 0 |
| Чистяково | city | Irkutskaya Oblast' | Russia | 55.11 | 100.60 | 1669 | 0 |
| Чичек | city | Irkutskaya Oblast' | Russia | 54.53 | 104.80 | 1758 | 0 |
| Чичиковская | city | Irkutskaya Oblast' | Russia | 53.59 | 102.80 | 1669 | 745 |
| Чичкова | city | Irkutskaya Oblast' | Russia | 54.18 | 103.71 | 1669 | 0 |
| Чугуева | city | Irkutskaya Oblast' | Russia | 58.05 | 108.68 | 1181 | 0 |
| Чукча | city | Irkutskaya Oblast' | Russia | 58.25 | 112.92 | 856 | 0 |
| Чукша | city | Irkutskaya Oblast' | Russia | 56.13 | 100.04 | 974 | 149 |
| Чукша | city | Irkutskaya Oblast' | Russia | 56.20 | 99.88 | 977 | 149 |
| Чунский | city | Irkutskaya Oblast' | Russia | 56.08 | 99.63 | 925 | 149 |
| Чупровка | city | Irkutskaya Oblast' | Russia | 53.30 | 104.05 | 1669 | 447 |
| Чупрысовский | city | Irkutskaya Oblast' | Russia | 52.32 | 105.02 | 2509 | 298 |
| Чуя | city | Irkutskaya Oblast' | Russia | 59.26 | 112.43 | 830 | 0 |
| Чёрная | city | Irkutskaya Oblast' | Russia | 56.43 | 107.79 | 1161 | 0 |
| Чёрная | city | Irkutskaya Oblast' | Russia | 56.42 | 103.64 | 1669 | 149 |
| Чёрная Речка | city | Irkutskaya Oblast' | Russia | 55.98 | 101.78 | 1669 | 0 |
| Чёрный Ключ | city | Irkutskaya Oblast' | Russia | 54.17 | 99.98 | 1827 | 0 |