| Samsan-myeon | |
| Native Name: | 삼산면 |
| Native Name Lang: | ko |
| Settlement Type: | Township (myeon) |
| Coordinates: | 34.0265°N 127.3178°W |
| Subdivision Type: | Country |
| Subdivision Name: | South Korea |
| Subdivision Type1: | Province (do) |
| Subdivision Name1: | South Jeolla |
| Subdivision Type2: | City (si) |
| Subdivision Name2: | Yeosu |
| Parts Type: | Administrative divisions |
| Parts: | 6 jurisdiction |
| P1: | 10 administrative district |
| P2: | 79 ban |
| Unit Pref: | Metric |
| Area Total Km2: | 27.48 |
| Population Total: | 2643 |
| Population Density Km2: | auto |
| Timezone1: | Korea Standard Time |
| Utc Offset1: | +9 |
| Translit Lang1: | Korean |
| Translit Lang1 Type1: | Hangul |
| Translit Lang1 Info1: | 삼산면 |
| Translit Lang1 Type2: | Hanja |
| Translit Lang1 Info2: | Korean: {{linktext|三|山|面 |
| Translit Lang1 Type3: | Revised Romanization |
| Translit Lang1 Info3: | Samsan-myeon |
| Translit Lang1 Type4: | McCune-Reischauer |
| Translit Lang1 Info4: | Samsan-myŏn |
Samsan-myeon, also called Samsan Township, or Samsan for short, is a myeon (township) in Yeosu, a city in South Jeolla Province, South Korea. The township is located in the south-western part of the city with a total area of . The population was recorded to be 2643 people, 1438 males and 1205 females, and the number of houses totaled 1261. The myeon office is located in 28–10, Geomun-gil in Geomun-ri. There are Jeju Province in the south-west of the myeon; mainland of Yeosu in the north-east; Goheung County in the north; and Wando County in the north-east. There is Geomundo/Baekdo zone of Dadohaehaesang National Park in Geomundo and Baekdo. The name of the myeon, Samsan, which means three mountains, is from three main islands in Geomumdo which looked like three mountains: Seodo, Dongdo, and Godo.[1]
It was subordinated in Heungyang-hyeon (currently, Goheung-gun) and was called Samdo in 1396. Samsan-myeon was established in 1908. It was subordinate in Yeosu-gun in 1914. It was subordinate in Yeocheon-gun in 1949. Chodo and Sonjuk branch office were established in May 1965. It was subordinated in Yeosu-si on 1 April 1998, because Yeocheon-gun was merged to Yeosu-si with Yeocheon-si.[1]
Samsan-myeon has six jurisdictions and ten administrative districts.[2]
Geomun-ri has one administrative district: Geomun-ri. It controls Godo of Geomundo, and Baekdo. It has myeon office.
Deokchon-ri has one administrative district: Deokchon-ri. It controls southern part of Seodo of Geomundo.
Dongdo-ri has two administrative districts: Yuchon, and Jukchon. It controls Dongdo of Geomundo, and Sambudo.
Seodo-ri has two administrative districts: Seodo, and Byeonchon. It controls northern part of Seodo of Geomundo.
Sonjuk-ri has one administrative district: Sonjuk-ri. It controls Sonjukdo, Sogeomundo, Pyeongdo, and Gwangdo
Chodo-ri has three administrative districts: Daedong, Uiseong, and Jinmak. It controls Chodo.