Tsuyoshi Koyama (小山 剛志, Koyama Tsuyoshi, born October 4, 1967 in Aichi, Japan) is a Japanese actor and voice actor. He is attached to Across Entertainment.
Wonderful World (2010) – Jiro Kumada
Dragon Zakura (2005) – Scout
Turn A Gundam (1999) – Phil Ackman
Detective Conan (2000) – Yota Mitani
Hunter × Hunter (2001) – Izunabi (episode 56)
Cosmo Warrior Zero (2001) – Rubia
Beck (2005) – Marquee manager
Mushishi (2005) – Jin
Eyeshield 21 (2005) – Rikiya Gao
Trinity Blood (2005) – Leon Garcia de Asturias
Utawarerumono (2006) – Kurou
Busou Renkin* (2006) – Genji Ikusabe
The Wallflower (2006) – Hiromi Hanayashiki
Michiko to Hatchin (2008) – Tony
Saki (2009) – Daisuke Yamaguchi
Katanagatari (2010) – Kanara Azekura
Horizon in the Middle of Nowhere (2011) – Galileo
Jormungand (2012) – Shishō
Sword Art Online (2012) – PoH
Beast Saga (2013) – Killer Shark
Akame ga Kill! (2014) – Orga
Saki: The Nationals (2014) – Daisuke Yamaguchi
One Piece (2014) – Hajrudin
Hanayamata (2014) – Masaru Ōfuna
Gundam Reconguista in G (2014) – Dellensen Samatar
Gangsta. (2015) – Miles Meyer
Undefeated Bahamut Chronicle (2016) – Bagriser Gasthof
Zero kara Hajimeru Mahō no Sho (2017) – Beast Mercenary
Dragon Ball Super (2017) – Basil
Legend of the Galactic Heroes (1999) – Goodwin
Hunter × Hunter: Greed Island (2003) – Genthru
Hunter × Hunter: G.I. Final (2004) – Genthru
Nijiiro Prism Girl (2013) – Director
Princess Arete (2001) – Boax
Mai Mai Miracle (2009) – Tatara
Cyborg 009 Vs. Devilman (2015) – Geronimo Jr./005
In This Corner of the World (2016) – Jūrō
Ni no Kuni series (2010–2012) – Heburuchi
BlazBlue series (2008–Present) – Bang Shishigami
Xenoblade Chronicles (2010) – Dikson
Atelier Escha & Logy: Alchemists of the Dusk Sky (2013) – Duke Beriel
Muramasa: The Demon Blade (2013) – Shinzaemon Shigematsu
Kamen Rider Ryuki (2002) – Visor Voice (main ep), Kamen Rider Odin (ep. 27-50)
Kamen Rider 555: Paradise Lost (2003) – Lion Orphnoch
Kamen Rider Den-O (2007) – Rhino Imajin (episodes 9 & 10)
Kamen Rider Ex-Aid (2017) – Burgermon Bugster (ep. 17)
Kamen Rider: Dragon Knight – Eubulon (Mark Dacascos)
A Lonely Place to Die – Andy (Eamonn Walker)