Koichiro Nishi (西 興一朗code: ja is deprecated , Nishi Koichirō, lahir 17 Oktober 1979) adalah seorang aktor asal Jepang. Dia mulai berkarier di dunia film sejak tahun 2002, dan dia dikenal dengan peran-perannya dalam serial tokusatsu dan drama: sebagai "Ryouga Hakua / AbaRed" dalam serial Super Sentai Bakuryuu Sentai Abaranger.

Koichiro Nishi sekarang berada di bawah manajemen artis General Entertainment Team.

• Koukou Kyoushi (episode 1) (TBS, 2003)
• Bakuryuu Sentai Abaranger (TV Asahi, 2003 - 2004) - Ryouga Hakua / AbaRed
• DREAM MAKER TV: 1 minutes (Machiawase)"
• Joi, Yuu ~Aozora Clinic~ (Fuji TV, 2004) - Tomoya Hirose
• Kyoto Chiken no Onna (TV Asahi, 2005) - Kentaro Azuma
• Yokoyama ya sushi Full Throttle ~Aba Naruto Jun'ai Monogatari~ (KTV, Maret 2005) - Hajime Honda
• Koisuru Nichiyoubi (Serial kedua) (episode 14) (BS-i, 3 Juli 2005) - Yuichi Ichikawa
• 7-Nin no Onna Bengoshi (episode 2) (TV Asahi, 2006) - Tatsuya
• Seibyou Sensei (GyaO, 2006) - Tomohiro Yoshida
• Road to Away Game (BS Nittele, 2006) - Hajime
• Asadora: Imotako Nanki (NHK, 2006 - 2007) - Nobuo Hanaoka
• Drama 30: Mikon Roku Shimai (TBS, 2006) - Koji Enomoto
• Inugoe (TVK / TVS / Chiba TV, 2006)
• Saturday Wide Gekijou: Kyuukyuu Kyuumeishi, Saori Makita (TV Asahi, Februari 2007) - Kazuya Takimoto
• Saturday Wide Gekijou: Onsen (Hi) Daisakusen 4 (ABC, Juli 2007) - Katsuhiko Shibano
• Ai no Gekijou: Ie ni Gojo ari (TBS, 2007) - Koji Sakai
• Wednesday Mystery 9: Mikkai no Yado 6 (TV Tokyo, September 2007) - Kenji Yasunaga
• Glass no Kiba (CBC, Oktober 2007) - Tatsuo Nishiyama
• Saturday Wide Gekijou: Shin Keishichou Josei Sousahan (TV Asahi, November 2007) - Kenichi Nagai
• Kimi no Nozomu Shi ni Gata (wowow, Maret 2008)
• Saturday Wide Gekijou: Shokatsu no Onna ~Shinjuku Nishisho, Keijika Kyoukou Han Gakari (TV Asahi, 17 Mei 2008) - Toshihiko Kasai
• The Prologue: Nukumi~zu 7: Hi Kanshisha (Fuji TV, 23 Mei - 12 Juni 2008) - Yamasaki
• Saturday Wide Gekijou: Taxi Driver no Suiri Nisshi (TV Asahi, 13 September 2008) - Tetsuo Miyamoto
• Joshidaisei Kaikeishi no Jikenbo (episode 3) (BS-i, 22 Oktober 2008) - Takaya Mouri
• Omiya-san (serial ke-6) (episode 6) (TV Asahi, 11 Desember 2008) - Shogo Kishida
• The Prologue: Nukumi~zu 7 (episode final) (Fuji TV, 26 Desember 2008) - Koji
• Tokyo Shoujo Hinata Senho (episode 3) (BS-i, 17 Januari 2009) - Koji Toyota
• Ultraman Arc (2024)

• Shiawase no Kane (2002)
• Tougenkyou no Hitobito (2002)
• saber zenkaiger super hero senki 2021 ryouga hakua \ abared
• Bakuryuu Sentai Abaranger DELUXE: Abare Summer adalah Pembekuan! (2003) - Ryouga Hakua / AbaRed
• Koi machi Monogatari - Reona Kokutei
• Yuurei yori Kowai Banashi Vol.3: Hukushuu (2005) - Toshihiko Hirano
• Kuchisake-onna (2007)
• Namida de ippaini natta Pet Bottle ~Kanpe no Tegami~ (2007)
• Hiryuu Honoo Noboru (2007)
• Chameleon (2008) - Tatsuo Okita
• Kougyou Aika Valley Boys THE MOVIE (2008)

• Bakuryuu Sentai Abaranger Super Video: The All-Bakuryuu Roaring Laughter Battle (2003) - Ryouga Hakua / AbaRed
• Bakuryuu Sentai Abaranger vs. Hurricaneger (Toei, 2004) - Ryouga Hakua / AbaRed
• Tokusou Sentai Dekaranger vs. Abaranger (Toei, 2005) - Ryouga Hakua / AbaRed
• Namba Kinyuu Den, Minami no Teiou 34: Burando no Juuatu (K.S.S.M.E., 2006) - Ryou Uesaka
• Issai Nai Satsui ~Orino Norio no Jikenbo~ - Kenta Tange
• Namba Kinyuu Den, Minami no Teiou 35: Ginjiro vs. Yonige Ya (K.S.S.M.E., 2006) - Ryou Uesaka
• Namba Kinyuu Den, Minami no Teiou 36: Shikumareta Kekkon (K.S.S.M.E., 2006) - Ryou Uesaka
• Namba Kinyuu Den, Minami no Teiou 37: Dohyou Giwa no Densetsu (K.S.S.M.E., 2007) - Ryou Uesaka
• Drift 5 - (Geneon Entertainment, 2007) - Shin'ichiro

• 1, 2, Chuuzai-san Daaa~!! Asahi Housou (2004)
• "Face in Face" dari karya Playmate (2005) - Shusuke Satonaka
• Douki no Zakura -Kimi ni meguri Aitai- (2007) - Takehiko Kanzaki
• Lesedrama "Kujou no Tegami" (2007)
• Gakuen Heaven Musical ~Bell Liberty Prince~ (2008) - Kazuki Endo
• MURAISM (2008) - Goro Kimura

• Gunze YG-X "BAD BOYS 2BAD"
• Mazda "Familia Short Wagon"
• Nippon Telecom "ODN"

• (Jepang) Situs resmi di Koichiro Nishi Diarsipkan 2009-02-21 di Wayback Machine.