| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Stalinskiy Tretiy | city | Irkutskaya Oblast' | Russia | 54.2333333 | 103.3333333 | 1315 | 53 |
| Stanitsa Tret'ya | city | Irkutskaya Oblast' | Russia | 54.2086111 | 101.3361111 | 1538 | 355 |
| Staraya Abalakova | city | Irkutskaya Oblast' | Russia | 54.7666667 | 99.1333333 | 1391 | 61 |
| Staraya Berezovskaya | city | Irkutskaya Oblast' | Russia | 57.7333333 | 116.2 | 2319 | 14 |
| Staraya Berezovskaya Rezidentsiya | city | Irkutskaya Oblast' | Russia | 57.7333333 | 116.2 | 2319 | 14 |
| Staraya Berëzovskaya | city | Irkutskaya Oblast' | Russia | 57.7333333 | 116.2 | 2319 | 14 |
| Staraya Yasachnaya | city | Irkutskaya Oblast' | Russia | 52.4863889 | 103.7383333 | 1404 | 2108 |
| Staraya Zima | city | Irkutskaya Oblast' | Russia | 53.8833333 | 101.9833333 | 1555 | 12917 |
| Staraya Zima | city | Irkutskaya Oblast' | Russia | 53.8855556 | 102.0463889 | 1456 | 3639 |
| Staro-Shelekhovo | city | Irkutskaya Oblast' | Russia | 55.7666667 | 97.7 | 1062 | 103 |
| Starometelkina | city | Irkutskaya Oblast' | Russia | 53.3833333 | 101.7166667 | 1715 | 406 |
| Starometëlkina | city | Irkutskaya Oblast' | Russia | 53.3833333 | 101.7166667 | 1715 | 406 |
| Startsev | city | Irkutskaya Oblast' | Russia | 55.55 | 105.5833333 | 1387 | 42 |
| Stary Akul'shet | city | Irkutskaya Oblast' | Russia | 56.0158333 | 98.0563889 | 790 | 51035 |
| Staryy Akul'shet | city | Irkutskaya Oblast' | Russia | 56.0158333 | 98.0563889 | 790 | 51035 |
| Staryy Alzamay | city | Irkutskaya Oblast' | Russia | 55.6 | 98.6 | 990 | 62 |
| Staryy Buluk | city | Irkutskaya Oblast' | Russia | 55.0833333 | 100.8666667 | 1584 | 201 |
| Staryy Kutugun | city | Irkutskaya Oblast' | Russia | 53.2552778 | 103.1844444 | 1876 | 705 |
| Staryy Perevoz | city | Irkutskaya Oblast' | Russia | 54.0833333 | 102.05 | 1532 | 171 |
| Staryye Kory | city | Irkutskaya Oblast' | Russia | 55.15 | 101.0666667 | 1400 | 207 |
| Steklyanka | city | Irkutskaya Oblast' | Russia | 52.4002778 | 103.9675 | 1502 | 476 |
| Stepanova | city | Irkutskaya Oblast' | Russia | 56.9827778 | 101.3086111 | 961 | 57 |
| Stepanovka | city | Irkutskaya Oblast' | Russia | 52.7 | 103.9833333 | 1650 | 504 |
| Stepanovo | city | Irkutskaya Oblast' | Russia | 56.9827778 | 101.3086111 | 961 | 57 |
| Stepno-Baltay | city | Irkutskaya Oblast' | Russia | 53.5788889 | 105.9905556 | 1896 | 61 |
| Stibutovskiy | city | Irkutskaya Oblast' | Russia | 53.8622222 | 101.6930556 | 1646 | 196 |
| Storozhevoy | city | Irkutskaya Oblast' | Russia | 55.1666667 | 101.4333333 | 1797 | 215 |
| Strelka | city | Irkutskaya Oblast' | Russia | 54.65 | 98.2 | 1965 | 61 |
| Strelka | city | Irkutskaya Oblast' | Russia | 52.8 | 102.95 | 1440 | 308 |
| Strelka | city | Irkutskaya Oblast' | Russia | 55.7333333 | 108.75 | 2749 | 54 |
| Strelova | city | Irkutskaya Oblast' | Russia | 53.1938889 | 103.1011111 | 1886 | 85981 |
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