西山宏太朗
- Igoa: 西山宏太朗
- Lauiloa: 3.788
- Lauiloa mo: Acting
- Aso fanau: 1991-10-11
- Nofoaga fanau ai: Kanagawa, Japan
- Homepage: http://www.81produce.co.jp/actor_search/index.php/item?id=98
- Faʻailoa foi O: Kotaro Nishiyama, 西山 宏太朗, Kōtarō Nishiyama, Koutarou Nishiyama