| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Yablochnyy | city | Sakhalinskaya Oblast' | Russia | 47.1661111 | 142.0661111 | 160 | 430 |
| Yablonovka | city | Sakhalinskaya Oblast' | Russia | 47.6333333 | 142.0166667 | 167 | 410 |
| Yagodnaya | city | Sakhalinskaya Oblast' | Russia | 48.8666667 | 142.3666667 | 639 | 546 |
| Yagodnoye | city | Sakhalinskaya Oblast' | Russia | 46.55 | 143.3833333 | 13 | 476 |
| Yamagoe | city | Sakhalinskaya Oblast' | Russia | 49.4833333 | 144.2 | 505 | 197 |
| Yamakoe | city | Sakhalinskaya Oblast' | Russia | 49.4833333 | 144.2 | 505 | 197 |
| Yamakosi | city | Sakhalinskaya Oblast' | Russia | 49.4833333 | 144.2 | 505 | 197 |
| Yaman | city | Sakhalinskaya Oblast' | Russia | 46.3633333 | 143.3575 | 29 | 233 |
| Yamanaka | city | Sakhalinskaya Oblast' | Russia | 47.3666667 | 142.7 | 59 | 1033 |
| Yamogoe | city | Sakhalinskaya Oblast' | Russia | 49.4833333 | 144.2 | 505 | 197 |
| Yarukunai | city | Sakhalinskaya Oblast' | Russia | 49.8166667 | 142.15 | 0 | 213 |
| Yasenki | city | Sakhalinskaya Oblast' | Russia | 50.55 | 142.1333333 | 748 | 131 |
| Yasnomorskiy | city | Sakhalinskaya Oblast' | Russia | 46.7511111 | 141.9119444 | 518 | 284 |
| Yasnoye | city | Sakhalinskaya Oblast' | Russia | 50.6358333 | 142.7069444 | 482 | 341 |
| Yebisu | city | Sakhalinskaya Oblast' | Russia | 48.1666667 | 142.1666667 | 3 | 317 |
| Yel'niki | city | Sakhalinskaya Oblast' | Russia | 49.6833333 | 142.85 | 259 | 229 |
| Yel'nikovo | city | Sakhalinskaya Oblast' | Russia | 49.6833333 | 142.85 | 259 | 229 |
| Yeniseysk | city | Sakhalinskaya Oblast' | Russia | 48.1666667 | 142.1666667 | 3 | 317 |
| Yento | city | Sakhalinskaya Oblast' | Russia | 48.7833333 | 141.8833333 | 610 | 440 |
| Yevstaf'yevo | city | Sakhalinskaya Oblast' | Russia | 46.3 | 143.55 | 3 | 220 |
| Yevstav'yevo | city | Sakhalinskaya Oblast' | Russia | 46.3 | 143.55 | 3 | 220 |
| Yokunai | city | Sakhalinskaya Oblast' | Russia | 49.8166667 | 142.15 | 0 | 213 |
| Yoman | city | Sakhalinskaya Oblast' | Russia | 48.7666667 | 144.6666667 | 36 | 79 |
| Yonjuhachigo | city | Sakhalinskaya Oblast' | Russia | 46.05 | 142.1833333 | 3 | 800 |
| Yonjūhachigō | city | Sakhalinskaya Oblast' | Russia | 46.05 | 142.1833333 | 3 | 800 |
| Yorukunai | city | Sakhalinskaya Oblast' | Russia | 49.8166667 | 142.15 | 0 | 213 |
| Yoshinai | city | Sakhalinskaya Oblast' | Russia | 46.4 | 142.3333333 | 0 | 825 |
| Yosuke | city | Sakhalinskaya Oblast' | Russia | 50.2833333 | 155.9 | 324 | 65 |
| Yotsuiva | city | Sakhalinskaya Oblast' | Russia | 50.2833333 | 155.9 | 324 | 65 |
| Yotsuiwa | city | Sakhalinskaya Oblast' | Russia | 50.2833333 | 155.9 | 324 | 65 |
| Yotsuiwa Fishery | city | Sakhalinskaya Oblast' | Russia | 50.2833333 | 155.9 | 324 | 65 |
| Yotsuiwa-gyojo | city | Sakhalinskaya Oblast' | Russia | 50.2833333 | 155.9 | 324 | 65 |
| Yotsuiwa-gyojō | city | Sakhalinskaya Oblast' | Russia | 50.2833333 | 155.9 | 324 | 65 |
| Yotuiwa | city | Sakhalinskaya Oblast' | Russia | 50.2833333 | 155.9 | 324 | 65 |
| Yrkir | city | Sakhalinskaya Oblast' | Russia | 51.2333333 | 142.6833333 | 167 | 336 |
| Yrkri | city | Sakhalinskaya Oblast' | Russia | 51.2333333 | 142.6833333 | 167 | 336 |
| Yrkyr | city | Sakhalinskaya Oblast' | Russia | 51.2333333 | 142.6833333 | 167 | 336 |
| Yrkyrn | city | Sakhalinskaya Oblast' | Russia | 51.2333333 | 142.6833333 | 167 | 336 |
| Yugukh | city | Sakhalinskaya Oblast' | Russia | 53.2833333 | 141.8 | 9 | 73 |
| Yukvo | city | Sakhalinskaya Oblast' | Russia | 53.4333333 | 141.8666667 | 3 | 40 |
| Yuzhnaya Khandasa | city | Sakhalinskaya Oblast' | Russia | 49.95 | 142.7833333 | 456 | 229 |
| Yuzhnaya Okha | city | Sakhalinskaya Oblast' | Russia | 53.55 | 142.95 | 36 | 34475 |
| Yuzhno-Nevel'sk | city | Sakhalinskaya Oblast' | Russia | 46.6666667 | 141.8666667 | 518 | 19973 |
| Yuzhno-Sakhalinsk | city | Sakhalinskaya Oblast' | Russia | 46.9522222 | 142.7405556 | 134 | 8820 |
| Yuzhnoye | city | Sakhalinskaya Oblast' | Russia | 46.25 | 143.4166667 | 98 | 328 |
| Yuzhnyy Boatasyn | city | Sakhalinskaya Oblast' | Russia | 52.4 | 143.0833333 | 72 | 138 |
| Yōman | city | Sakhalinskaya Oblast' | Russia | 48.7666667 | 144.6666667 | 36 | 79 |
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