| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Siebieczów | city | L'vivs'ka Oblast' | Ukraine | 50.44 | 24.13 | 830 | 2533 |
| Siechów | city | L'vivs'ka Oblast' | Ukraine | 49.21 | 24.03 | 954 | 2135 |
| Siechów | city | L'vivs'ka Oblast' | Ukraine | 49.79 | 24.06 | 1079 | 243880 |
| Siedliszcze Male | city | Rivnens'ka Oblast' | Ukraine | 50.82 | 26.63 | 830 | 3400 |
| Siedliszcze Małe | city | Rivnens'ka Oblast' | Ukraine | 50.82 | 26.63 | 830 | 3400 |
| Siedove | city | Donets'ka Oblast' | Ukraine | 47.08 | 38.16 | 3 | 0 |
| Siedovo-Vasylivka | city | Donets'ka Oblast' | Ukraine | 47.22 | 38.11 | 173 | 3 |
| Siekierzany | city | Chernivets'ka Oblast' | Ukraine | 48.45 | 27.42 | 830 | 8030 |
| Siekierzyce | city | Volyns'ka Oblast' | Ukraine | 50.87 | 25.50 | 830 | 17882 |
| Sielce Korteliskie | city | Volyns'ka Oblast' | Ukraine | 51.81 | 24.31 | 830 | 2080 |
| Sielec | city | Rivnens'ka Oblast' | Ukraine | 51.62 | 26.60 | 830 | 2235 |
| Sielec | city | Volyns'ka Oblast' | Ukraine | 50.76 | 24.39 | 830 | 2781 |
| Sielec | city | L'vivs'ka Oblast' | Ukraine | 50.30 | 24.20 | 830 | 15056 |
| Sielec Belski | city | L'vivs'ka Oblast' | Ukraine | 50.30 | 24.20 | 830 | 15056 |
| Sielec Bełski | city | L'vivs'ka Oblast' | Ukraine | 50.30 | 24.20 | 830 | 15056 |
| Sielec Bienków | city | L'vivs'ka Oblast' | Ukraine | 50.18 | 24.42 | 830 | 5091 |
| Sieliczów | city | Khmel'nyts'ka Oblast' | Ukraine | 50.47 | 27.12 | 830 | 4917 |
| Sieliski | city | Volyns'ka Oblast' | Ukraine | 50.95 | 24.24 | 830 | 1936 |
| Sieliszcze Male | city | Rivnens'ka Oblast' | Ukraine | 51.20 | 26.90 | 830 | 3571 |
| Sieliszcze Małe | city | Rivnens'ka Oblast' | Ukraine | 51.20 | 26.90 | 830 | 3571 |
| Siemiginów | city | L'vivs'ka Oblast' | Ukraine | 49.15 | 23.74 | 1089 | 2180 |
| Sieniow | city | Rivnens'ka Oblast' | Ukraine | 50.62 | 26.75 | 830 | 4594 |
| Sienkiewiczowka | city | Volyns'ka Oblast' | Ukraine | 50.53 | 25.04 | 830 | 3725 |
| Sienkow | city | L'vivs'ka Oblast' | Ukraine | 50.31 | 24.78 | 830 | 3636 |
| Siergiejówka | city | Volyns'ka Oblast' | Ukraine | 50.51 | 25.14 | 830 | 3360 |
| Siernovodske | city | Avtonomna Respublika Krym | Ukraine | 45.58 | 34.38 | 88 | 3838 |
| Sierove | city | Avtonomna Respublika Krym | Ukraine | 45.32 | 34.68 | 144 | 4609 |
| Sieverne | city | Donets'ka Oblast' | Ukraine | 48.10 | 38.68 | 895 | 26896 |
| Sieverne | city | Donets'ka Oblast' | Ukraine | 48.13 | 37.66 | 830 | 17497 |
| Sieverne | city | Avtonomna Respublika Krym | Ukraine | 45.68 | 33.06 | 55 | 1310 |
| Sieverne | city | Avtonomna Respublika Krym | Ukraine | 45.16 | 34.73 | 830 | 2859 |
| Sieverne | city | Avtonomna Respublika Krym | Ukraine | 45.46 | 33.57 | 269 | 2225 |
| Sievierodonetsk | city | Luhans'ka Oblast' | Ukraine | 48.95 | 38.49 | 272 | 125977 |
| Sievierodonetsk | city | Luhans'ka Oblast' | Ukraine | 48.95 | 38.48 | 265 | 124388 |
| Siewierodonieck | city | Luhans'ka Oblast' | Ukraine | 48.95 | 38.49 | 272 | 125977 |
| Siewierodonieck | city | Luhans'ka Oblast' | Ukraine | 48.95 | 38.48 | 265 | 124388 |
| Siewierówka | city | Zhytomyrs'ka Oblast' | Ukraine | 51.10 | 29.07 | 830 | 1639 |
| Sieńczyce | city | Rivnens'ka Oblast' | Ukraine | 51.89 | 25.84 | 830 | 1788 |