Kouichi Souma (相馬 康一, Sōma Kōichi, February 5, 1982) is a Japanese voice actor born in Saga Prefecture. He is 170 cm tall, blood type A and speaks the Saga dialect. He is affiliated with Raccoon Dog. He was formerly affiliated with Pro-Fit.

KNOWN FOR

Mushoku Tensei: Jobless Reincarnation
2021
JoJo's Bizarre Adventure
2018
Re:ZERO -Starting Life in Another World-
2024
The Apothecary Diaries
2025
Ranma1/2
2024
SPY x FAMILY
2023
That Time I Got Reincarnated as a Slime
2018
Sword Art Online
2018
The Ancient Magus' Bride
2023
Ahiru no Sora
2020
Kaguya-sama: Love Is War
2019
A Certain Magical Index
2018

FILMOGRAPHY

All
Movies
TV
Acting
174
2026
Journal with Witch
as Funeral Attendee (voice)
2026
Wash It All Away
as Manager of the Long-Established Inn (voice)
2025
Bâan -The Boundaries of Adulthood-
as Angry Caller / Warrior (voice)
2025
Chainsaw Man - The Compilation Part 1
as Man in the Car (voice)
2025
Rurouni Kenshin
as Leader (voice)
2025
Lazarus
as Gardener (voice)
2025
ZatsuTabi -That's Journey-
as Grandpa Nakazo (voice)
2025
Food for the Soul
as Chairlift Attendant (voice)
2025
Catch Me at the Ballpark!
as Kurihara (voice)
2025
Aharen-san wa Hakarenai
as Man (voice)
2025
The Apothecary Diaries
as Clan Leader (voice)
2025
The Summer Hikaru Died
as Mr. Kameyama (voice)
2025
The Summer Hikaru Died
as Brains (voice)
2025
Welcome to Japan, Ms. Elf!
as Merchant (voice)
2025
SPY x FAMILY
as Police Officer (voice)
2025
Ranma1/2
as Eel Restaurant Owner (voice)
2025
Ranma1/2
as Homeroom Teacher (voice)
2025
Inexpressive Kashiwada and Expressive Oota
as Shooting Gallery Owner (voice)
2025
Ranma1/2
as Middle-aged Man (voice)
2024
Astro Note
as Greengrocer (voice)
2024
As a Reincarnated Aristocrat, I'll Use My Appraisal Skill to Rise in the World
as Doctor (voice)
2024
As a Reincarnated Aristocrat, I'll Use My Appraisal Skill to Rise in the World
as Mayor of Perena County (voice)
2024
The Misfit of Demon King Academy
as Eight Song Sage (voice)
2024
Acro Trip
as Suikyō Date (voice)
2024
Tower of God
as Paracule (voice)
2024
Ranma1/2
as Postman (voice)
2024
Re:ZERO -Starting Life in Another World-
as Patrasche (voice)
2024
Rurouni Kenshin
as Traveller (voice)
2024
Ranma1/2
as Boy (voice)
2024
Sword Art Online Alternative: Gun Gale Online
as Player (voice)
2024
Rurouni Kenshin
as Bandit (voice)
2024
Rurouni Kenshin
as Shingetsu Village Villager (voice)
2024
Orb: On the Movements of the Earth
as Beggar (voice)
2024
Tokyo Override
as Additional Voices (voice)
2024
Rurouni Kenshin
as Enemy (voice)
2024
Ranma1/2
as Villager (voice)
2024
Go! Go! Loser Ranger!
as Owner (voice)
2024
2.5 Dimensional Seduction
as Old Man A (voice)
2024
Sakuna: Of Rice and Ruin
as Hyoutan (voice)
2024
Negative Positive Angler
as Ship Captain (voice)
2023
Sand Land
as Bandit (voice)
2023
Reborn to Master the Blade: From Hero-King to Extraordinary Squire ♀
as Knight (voice)
2023
Saving 80,000 Gold in Another World for My Retirement
as Enemy Commander (voice)
2023
【OSHI NO KO】
as (voice)
2023
Tengoku Daimakyo
as Liviuman Member (voice)
2023
Insomniacs After School
as Principal (voice)
2023
I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, Too
as Reinhardt (voice)
2023
I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, Too
as (voice)
2023
The Ancient Magus' Bride
as Section Chief (voice)
2023
Rurouni Kenshin
as Police Captain (voice)
2023
My Love Story with Yamada-kun at Lv999
as Kato (voice)
2023
Rurouni Kenshin
as Police Officer (voice)
2023
The Duke of Death and His Maid
as Mines (voice)
2023
Zom 100: Bucket List of the Dead
as Shark Zombie (voice)
2023
Rurouni Kenshin
as Democratic Rights Movement Activist (voice)
2023
Zom 100: Bucket List of the Dead
as Sailor Suit Zombie (voice)
2023
Rurouni Kenshin
as US Warship Captain (voice)
2023
My Happy Marriage
as (voice)
2023
Rurouni Kenshin
as Regimental Soldier (voice)
2023
UNDER NINJA
as Ozu (voice)
2023
Rurouni Kenshin
as Charcoal Maker in the Forest (voice)
2023
SPY x FAMILY
as Born Industries Researcher (voice)
2023
Rurouni Kenshin
as Henchman (voice)
2023
SPY x FAMILY
as State Security Service Agent (voice)
2023
My Daemon
as Mayor of Hakata City (voice)
2023
Rurouni Kenshin
as Intermediary (voice)
2023
Goblin Slayer
as Goblin Priest (voice)
2023
Pokémon Concierge
as (voice)
2023
Handyman Saitou in Another World
as Gibunguru (voice)
2023
Spy Classroom
as (voice)
2023
Urusei Yatsura
as Office worker (voice)
2023
Reborn to Master the Blade: From Hero-King to Extraordinary Squire ♀
as Guest (voice)
2023
Soaring Sky! Precure
as Ranborg / Kyoborn (voice)
2023
My Daughter Left the Nest and Returned an S-Rank Adventurer
as Count Malta (voice)
2023
Tearmoon Empire
as Mujik (voice)
2022
Delicious Party Precure Movie: Dreaming Children's Lunch!
as Container Robot (voice)
2022
Backflip!! The Movie
as Shichigahama's Father / Uncle Tsuruya (voice)
2022
World's End Harem
as Doctor Takagi (voice)
2022
The Genius Prince's Guide to Raising a Nation Out of Debt
as Natra military officer (voice)
2022
BLUE LOCK
as Issei Isagi (voice)
2022
How a Realist Hero Rebuilt the Kingdom
as Noble (voice)
2022
The Executioner and Her Way of Life
as Terrorist (voice)
2022
Shikimori's Not Just a Cutie
as Man in the Stall (voice)
2022
Uncle from Another World
as Minotaur (voice)
2022
Uncle from Another World
as Adventurer B (voice)
2022
Love Flops
as Estrus Dog (voice)
2022
Chainsaw Man
as Man A (voice)
2022
Chainsaw Man
as Man in Car (voice)
2022
Police in a Pod
as Mr. Fukushima's Father (voice)
2021
BEASTARS
as Owner (voice)
2021
Joran: The Princess of Snow and Blood
as (voice)
2021
Vivy -Fluorite Eye's Song-
as Researcher 2 (voice)
2021
Moriarty the Patriot
as Nobleman D (voice)
2021
I've Been Killing Slimes for 300 Years and Maxed Out My Level
as World Tree Beast (voice)
2021
The Slime Diaries
as Galm (voice)
2021
takt op.Destiny
as Shopkeeper (voice)
2021
Mieruko-chan
as Monster (voice)
2021
Taisho Otome Fairy Tale
as Seller (voice)
2021
takt op.Destiny
as Security guard B (voice)
2021
Irina: The Vampire Cosmonaut
as Pavlov (voice)
2021
takt op.Destiny
as Expert (voice)
2021
The World's Finest Assassin Gets Reincarnated in Another World as an Aristocrat
as Enemy Commander (voice)
2021
takt op.Destiny
as Staff member (voice)
2021
Cells at Work!
as Small Intestine Cell Chief (voice)
2021
The Way of the Househusband
as Yakuza A (voice)
2021
Combatants Will Be Dispatched!
as Internal Affairs Official (voice)
2021
Mushoku Tensei: Jobless Reincarnation
as Father (voice)
2020
Altered Carbon: Resleeved
as Nogaki (voice)
2020
Sword Art Online
as Commentator (voice)
2020
Is It Wrong to Try to Pick Up Girls in a Dungeon?
as Troll (voice)
2020
Kaguya-sama: Love Is War
as Teacher (voice)
2020
Strike the Blood
as Clade (voice)
2020
Sleepy Princess in the Demon Castle
as Frankenzombie (voice) / Ghost Wrapping Paper (voice)
2020
Higurashi: When They Cry - NEW
as Operator (voice)
2020
Moriarty the Patriot
as Worker C (voice)
2020
Ahiru no Sora
as Ozawa-sensei (voice)
2020
Kakushigoto
as Old Man (voice)
2020
Kakushigoto
as Driver (voice)
2020
Kakushigoto
as Man B (voice)
2020
Kakushigoto
as Principal (voice)
2020
Re:ZERO -Starting Life in Another World-
as Villager (voice)
2019
Dr. STONE
as Teacher (voice)
2019
Is It Wrong to Try to Pick Up Girls in a Dungeon?
as Guard (voice)
2019
Sword Art Online
as Elder (voice)
2019
Kaguya-sama: Love Is War
as Countryside old man (voice)
2019
Kaguya-sama: Love Is War
as Shop manager (voice)
2019
Teasing Master Takagi-san
as Scholar on TV (voice)
2019
Cautious Hero: The Hero Is Overpowered but Overly Cautious
as Townsperson (voice)
2019
A Certain Magical Index
as Citizen (voice)
2019
BEASTARS
as Lizard (voice)
2018
Sword Art Online
as Goblin (voice)
2018
Sword Art Online Alternative: Gun Gale Online
as Dashin (voice)
2018
That Time I Got Reincarnated as a Slime
as Galm (voice)
2018
Sword Art Online Alternative: Gun Gale Online
as KKHC (voice)
2018
Bloom Into You
as Teacher (voice)
2018
A Place Further than the Universe
as Team Member (voice)
2018
Teasing Master Takagi-san
as Mathematics Teacher (voice)
2018
Teasing Master Takagi-san
as Mayor (voice)
2018
A Certain Magical Index
as Isahaya (voice)
2018
JoJo's Bizarre Adventure
as Truck Driver (voice)
2018
Slow Start
as Old Man (voice)
2017
Sword Art Online the Movie: Ordinal Scale
as Additional Voice
2017
Is It Wrong to Try to Pick Up Girls in a Dungeon? On the Side: Sword Oratoria
as Fomoire (voice)
2017
Sakura Quest
as Isogai (voice)
2017
Sakura Quest
as Deliveryman (voice)
2017
Rewrite
as Commanding Officer (voice)
2017
Rewrite
as Director (voice)
2017
Rewrite
as Professor (voice)
2017
Re:Creators
as Editor in Charge (voice)
2017
Re:Creators
as Bureaucrat (voice)
2017
Re:Creators
as Policeman (voice)
2017
Re:Creators
as Comedian (voice)
2017
Re:Creators
as Doctor (voice)
2017
Re:Creators
as Staff (voice)
2016
Strike the Blood
as Staff (voice)
2016
Myriad Colors Phantom World
as Demonic Phantom (voice)
2016
Dimension W
as Hageyama Atsushi (voice)
2016
Re:ZERO -Starting Life in Another World-
as Street Stall Owner (voice)
2016
Re:ZERO -Starting Life in Another World-
as Civil Officer (voice)
2016
Re:ZERO -Starting Life in Another World-
as Team Member (voice)
2015
Code Geass: Akito the Exiled 3: The Brightness Falls
as (voice)
2015
Code Geass: Akito the Exiled 4: Memories of Hatred
as (voice)
2015
Gate
as Alguna (voice)
2015
Is It Wrong to Try to Pick Up Girls in a Dungeon?
as Mord Latro (voice)
2015
Gate
as Villager (voice)
2015
Gate
as Man (voice)
2015
Charlotte
as Black Clothes B (voice)
2014
Sword Art Online
as Player (Military Uniform) (voice)
2014
Sword Art Online
as Player (voice)
2014
No Game No Life
as Masses (voice)
2014
The Fruit of Grisaia
as Blacksuit 1 (voice)
2012
Daily Lives of High School Boys
as Boy A (voice)
2010
K-ON!
as Audience Member (voice)
2007
Clannad
as Rugby Club Member (voice)