Suruga Koteyama (籠手山 駿河 Koteyama Suruga) is a side character of Sound! Euphonium. She is a new first-year at Kitauji High School who joins the band as a bassoonist in Kumiko Oumae's second year. Additionally, she played contrabassoon in Liz and the Blue Bird.
Suruga is the clumsiest girl in the band who is always flustered that she often forgets this.
- The name Suruga means "fast" (駿) (suru) and "river, stream" (河) (ka/ga).
- Suruga's surname Koteyama means "gauntlet" (籠手) (kote) and "mountain, hill" (山) (yama).
Liz and the Blue Bird
|Kitauji High School Concert Band during Kumiko Oumae's second year|
|Note: Section leaders are shown in bold text|