Seiya Suzuki

is a side character of Sound! Euphonium: The Movie - Our Promise: A Brand New Day film. He is a new first-year at Kitauji High School who joins the band as an alto saxophonist in Kumiko Oumae's second year.
== Personality ==
Seiya is a very easygoing guy who often gets scolded by his fellow alto saxophone player Nanami Ootaki for talking with girls in the band.
== Etymology ==
* The name Seiya means "peaceful" (靖) (sei) and "to be, also" (也) (ya).
* Seiya's surname Suzuki means "bell" (鈴) (suzu) and "tree, wood" (木) (ki).
== Trivia ==
* Even though Seiya has the same surname as Mirei Suzuki and Satsuki Suzuki, they all have no familial relation with each other.
* Seiya is the troubled type that girls can't leave alone.
* Seiya is an experienced alto saxophone player and a graduate from Minami Junior High School.
== Gallery ==
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Alto sax members.jpg
Category:Saxophonists
Category:New Members
Category:Characters
Category:Male
Category:Kitauji High School
Category:Concert Band Members
Category:Alto Saxophonists
Category:First Years
Category:Woodwind Players
Category:Minami Alumni
Category:Liz and the Blue Bird Performer