Kōichi Tōchika (遠近 孝一, Tōchika Kōichi) is a Japanese voice actor who works for Haikyo.

• Lance in 07 Ghost
• Brindo and young Hody Jones in One Piece
• Check Mate and Ilioukhine in Kinnikuman Nisei (Ultimate Muscle)
• Arizona Governor in Eureka Seven Ao
• Yu Himura in Ef: A Fairy Tale of the Two
• En Daidouji in Brave Command Dagwon
• Erigor in Fairy Tail
• Griffin Minos in Saint Seiya
• Go Hibiki in Mach Go Go
• Groundman in Rockman.EXE Beast
• Hawkmon in Digimon Adventure 02
• Hayato Marikoji in Himawari!
• Hawktor in Bakugan Battle Brawlers: Gundalian Invaders
• Hazel Grouse in Saiyuki Reload Gunlock
• Hazel Grouse in Saiyuki Reload: Zeroin
• I'm Sorry Masked Man and Nightmare in Bobobo-bo Bo-bobo
• Jenai in Chrono Crusade
• Ken Amafuji in Boku wa Konomama Kaeranai
• Kotaro Kakinouchi in The Mythical Detective Loki Ragnarok
• Mirai in Mirmo!
• Neji Hyuga in Naruto
• Neji Hyuga in Naruto: Shippuden
• Neji Hyuga in Naruto SD
• Norio in Monster Rancher
• Sentarō Kotsubaki in Bleach
• Pawn in Weiß Kreuz
• Peath Glinhouse in Back Arrow
• Peta in Märchen Awakens Romance
• Raiha in Flame of Recca
• Rioroute Vilgyna in Candidate for Goddess
• Ryō Shirogane in Tokyo Mew Mew
• Ryu Amakusa in Detective Academy Q
• Ryunosuke Kurumi in HeartCatch Pretty Cure!
• Smart Ass in Who Framed Roger Rabbit
• Sentaro Kotsubaki and Yylfordt Granz in Bleach
• Shiba (younger) in Groove Adventure RAVE
• Shinji Kume in He Is My Master
• Taishi Kuhonbutsu in Comic Party
• Tigatron/TigerFalcon in Beast Wars
• Tommy Parsy, Mr. Dog, Coach, and Ruby Green in the Snowboard Kids series
• Tsuyoshi Wabba in the Super Yo-Yo
• Toyohiro Kanedaichi in JoJo's Bizarre Adventure: Diamond Is Unbreakable^[1]
• Wei Fei Li in Ceres, Celestial Legend
• Yokota in Uzumaki
• Yōsui in Fushigi Yūgi OVA 2

Tōchika is also known for his role as the voice actor of Sumisu-san, スミスさん or "Mr Smith" on the audio CD of the textbook series Japanese For Busy People.

• Hawkmon in Digimon Adventure: Last Evolution Kizuna (2020)^[2]

• Mac Windy (Actor: Reuben Langdon)/B-Fighter Yanma in B-Fighter Kabuto
• Dangoron in B-Robo Kabutack
• Suction Force Pyma Beast Vampira (ep. 9) in Kyuukyuu Sentai GoGo Five
• Bowling Org (ep. 28) in Hyakujuu Sentai Gaoranger
• Thunder Ninja Unadaigo (ep. 24) in Ninpuu Sentai Hurricanger
• Trinoid 18: Rakopiman (ep. 29) in Bakuryu Sentai Abaranger
• Pukosian Jackil (ep. 31) in Tokusou Sentai Dekaranger
• (Secondary Antagonist) Commander Adorocs (ep. 34-45) in Genseishin Justiriser
• Savage Sky Barbaric Machine Beast Lenz Banki (ep. 9) in Engine Sentai Go-onger
• Secret Lantern Daigoyou in (eps. 28 - 49) Samurai Sentai Shinkenger
• Secret Lantern Daigoyou in Samurai Sentai Shinkenger vs. Go-onger: GinmakuBang!!
• Secret Lantern Daigoyou in Samurai Sentai Shinkenger Returns
• Secret Lantern Daigoyou in Tensou Sentai Goseiger vs. Shinkenger: Epic on Ginmaku

• Gaki no Ryoubun series 6: Manatsu no Zankyou
• Mayonaka ni Oai Shimashou (Midori Kaidouji)
• Miscast series (Nanase Aikou)
• Ourin Gakuen series 1: Ikenai Seitokaishitsu (Fumitoshi Sakai)
• Ourin Gakuen series 2: Ai no Sainou (Fumitoshi Sakai)
• Yume wa Kirei ni Shidokenaku (Mamoru Ichinomiya)

• Are You Afraid of the Dark? (Ross Hull)
• Das Boot, Bootsmann Lamprecht (Uwe Ochsenknecht)
• Joy Ride 2: Dead Ahead, Bobby Lawrence (Nick Zano)^[3]
• Rocko's Modern Life, Rocko (Carlos Alazraqui)

2016–present Sonic the Hedgehog (series), Antoine

• Kōichi Tōchika at Anime News Network's encyclopedia
• Kouichi Tohchika Archived 2020-09-27 at the Wayback Machine at Ryu's Seiyuu Infos