This article is a list of bosses that are fought in the Metal Gear series.
Metal Gear[]
These are the bosses in Metal Gear. Alternate bosses featured in the the Nintendo Entertainment System version are noted alongside their MSX2 version counterparts.
- Mercenaries (4; not featured in the NES version)
- Shotmaker
- Machinegun Kid
- Mil Mi-24 "Hind D" / Twin Shot
- Tank
- Bull Tank
- Fire Trooper
- Bloody Brad (2)
- Dirty Duck
- Metal Gear / Supercomputer
- Big Boss / Big Boss (NES)
Metal Gear 2: Solid Snake[]
- Black Ninja
- Running Man
- Mil Mi-24 "Hind D"
- Red Blaster
- Four Horsemen
- Jungle Evil
- Night Fright
- Dr. Drago Pettrovich Madnar
- Metal Gear D (piloted by Gray Fox)
- Gray Fox
- Big Boss
- Mercenaries (mini-boss, encountered while escaping with Holly White)
Metal Gear Solid[]
Disc 1:
- Heavily armed Genome Soldiers (miniboss)
- Revolver Ocelot
- Tank (controlled by Vulcan Raven and two Genome Soldiers)
- Cyborg Ninja
- Psycho Mantis
- Sniper Wolf (Underground Passage)
- Black-outfitted Genome Soldiers (3; miniboss)
- Hind D (piloted by Liquid Snake, co-piloted by a Genome Soldier)
- Stealth Camouflaged Genome Soldiers (4; miniboss)
- Sniper Wolf (Snowfield)
Disc 2:
- Black-outfitted Genome Soldiers (3 in the PlayStation version, 4 in The Twin Snakes; miniboss)
- Vulcan Raven
- Metal Gear REX (piloted by Liquid Snake)
- Liquid Snake (on top of Metal Gear REX)
- Liquid Snake (escape route)
Metal Gear Solid 2: Sons of Liberty[]
Tanker Chapter:
- Olga Gurlukovich
- Gurlukovich Mercenaries (miniboss)
Plant Chapter:
- Fortune (miniboss)
- Fatman
- Harrier (piloted by Solidus Snake, co-piloted by Vamp)
- Vamp (Filtration Chamber No. 1)
- Vamp (Oil Fence; miniboss)
- Tengus (miniboss)
- Metal Gear RAY units (AI controlled)
- Solidus Snake
Metal Gear Solid 3: Snake Eater[]
- Ocelot Unit (10; miniboss)
- Ocelot
- The Pain
- The Fear
- The End (if The End was killed earlier on, he is replaced by 27 members of the Ocelot Unit)
- The Fury
- The Sorrow
- Ocelot Unit (3; miniboss; if Snake did not remove the transmitter implanted by Ocelot after the torture sequence)
- Yevgeny Borisovitch Volgin
- Shagohod (piloted by Volgin)
- The Boss
Metal Gear Solid: Portable Ops[]
- Python
- Null (Silo Entrance)
- Metal Gear RAXA (piloted by Ursula)
- Null (Power Substation)
- Cunningham (piloting a flying platform)
- Gene
Metal Gear Solid 4: Guns of the Patriots[]
Act 1: Liquid Sun
- FROGS (Advent Palace; miniboss)
Act 2: Solid Sun
- FROGS (Naomi's Lab; miniboss)
- Laughing Octopus
Act 3: Third Sun
Act 4: Twin Sun
- Crying Wolf
- Vamp
- Suicide Gekko (miniboss)
- Metal Gear RAY (piloted by Liquid Ocelot; Snake counters by controlling Metal Gear REX)
Act 5: Old Sun
- FROGS (Command Center; miniboss)
- Screaming Mantis
- Liquid Ocelot
Metal Gear Solid: Peace Walker[]
Main Ops[]
Chapter 1: A Country Without An Army
Chapter 2: The Phantom Hero
Chapter 3: A Nation Reborn
- Peace Sentinel Commandos (24; miniboss)
- Cocoon
- Peace Walker (bipedal; Mining Pit)
Chapter 4: The Illusion of Peace
- Mi-24D (miniboss)
- Peace Walker (quadrupedal; Runway)
Chapter 5: Outer Heaven
- Metal Gear ZEKE (piloted by Pacifica Ocean)
Extra Ops[]
- BTR-60 PA (Extra Op #69)
- BTR-60 PA Custom (Extra Op #70)
- BTR-60 PB (Extra Op #71)
- BTR-60 PB Custom (Extra Op #72)
- LAV - Type G Custom (Extra Op #73)
- LAV - Type C (Extra Op #74)
- LAV - Type C Custom (Extra Op #75)
- T-72U (Extra Op #76)
- T-72U Custom (Extra Op #77)
- T-72A (Extra Op #78)
- T-72A Custom (Extra Op #79)
- KPz 70 (Extra Op #80)
- KPz 70 Custom (Extra Op #81)
- MBTk-70 (Extra Op #82)
- MBTk-70 Custom (Extra Op #83)
- Mi-24A (Extra Op #84)
- Mi-24A Custom (Extra Op #85)
- Mi-24D (Extra Op #86)
- Mi-24D Custom (Extra Op #87)
- AH56A-Bomber (Extra Op #88)
- AH56A-Bomber Custom (Extra #Op 89)
- AH56A-Raider (Extra Op #90)
- AH56A-Raider Custom (Extra #Op 91)
- T-72U Custom (Extra Op #92)
- T-72A (Extra Op #93)
- T-72A Custom (Extra Op #94)
- KPz-70 (Extra Op #95)
- KPz-70 Custom (Extra Op #96)
- MBTk-70 (Extra Op #97)
- MBTk-70 Custom (Extra Op #98)
- BTR-60 PA (Extra Op #99)
- BTR-60 PA Custom (Extra Op #100)
- BTR-60 PB (Extra Op #101)
- BTR-60 PB Custom (Extra Op #102)
- LAV-Type G (Extra Op #103)
- LAV-Type G Custom (Extra Op #104)
- Mi-24A Custom (Extra Op #105)
- Mi-24D (Extra Op #106)
- Mi-24D Custom (Extra Op #107)
- AH56A Bomber (Extra Op #108)
- AH56A Bomber Custom (Extra Op #109)
- AM56A Raider (Extra Op #110)
- AM56A Custom (Extra Op #111)
- Pupa Type 2 (Extra Op #112)
- Pupa Custom (Extra Op #113)
- Chrysalis Type 2 (Extra Op #114)
- Chrysalis Custom (Extra Op #115)
- Cocoon Type 2 (Extra Op #116)
- Cocoon Custom (Extra Op #117)
- Peace Walker Type 2 (Extra Op #118)
- Peace Walker Custom (Extra Op #119)
- Metal Gear ZEKE (AI Controlled; Extra Op #120)
Monster Ops[]
These are secret bosses originating from/inspired by the Monster Hunter Series
- Rathalos (Extra Op #121)
- Rathalos (Twilight) (Extra Op #122)
- Tigrex (Extra Op #123)
- Tigrex (Twilight) (Extra Op #124)
- Gear Rex (Isla del Monstruo; Extra Op #125)
- Gear Rex (Twilight) (Extra Op #126)
- Gear Rex (Crater Base; Extra Op #127)
- Gear Rex (Mother Base; Extra Op #128)
Metal Gear Rising: Revengeance[]
Main game[]
R-00: Guard Duty
- Metal Gear RAY Mod. (Port)
- Metal Gear RAY Mod. (Rooftops/Tower)
- Samuel Rodrigues (Train)
R-01: Coup d'Etat
R-02: Research Facility
R-03: Mile High
R-04: Hostile Takeover
R-06: Badlands Snowdown
- Samuel Rodrigues (Badlands)
R-07: Assassination Attempt
- Metal Gear EXCELSUS (piloted by Steven Armstrong)
- Steven Armstrong
Jetstream DLC[]
Blade Wolf DLC[]
Metal Gear Solid V: Ground Zeroes[]
Side Ops[]
- STOUT IFV-SC (Intel Operative Rescue)
- UTH-66 Blackfoot (Intel Operative Rescue)
- STOUT IFV-SC (Destroy the Anti-Air Emplacements)
Extra Ops[]
Metal Gear Solid V: The Phantom Pain[]
Prologue: Awakening
- Man on Fire (controlled by Tretij Rebenok; horseback)
Chapter 1: Revenge
- Parasite Unit (Mist)
- Parasite Unit (Mist)
- Quiet
- Metal Gear Sahelanthropus (controlled by Tretij Rebenok)
- Parasite Unit (Armor)
- Man on Fire (controlled by Tretij Rebenok)
- Eli
- Female Parasite Unit (Camo)
- Parasite Unit (Armor)
- Metal Gear Sahelanthropus (controlled by Eli and Tretij Rebenok)
Chapter 2: Race
- Parasite Unit (Armor)
- Quiet
- Parasite Unit (Armor)
- Man on Fire (controlled by Tretij Rebenok)
- Female Parasite Unit (Camo)
- Metal Gear Sahelanthropus (controlled by Eli and Tretij Rebenok)
Side Ops[]
- Eli (Side Op #113)
Snake's Revenge[]
All bosses in this game are unnamed with the exception of Big Boss (who fights in two forms) and Metal Gear 2. Bosses are as follows:
- The five mercenaries
- The three grenadiers
- The two train ambushers
- The John Turner impersonator
- Tank
- Big Boss
- Big Boss (cyborg)
- Metal Gear 2
Metal Gear: Ghost Babel[]
- Slasher Hawk
- Marionette Owl
- Pyro Bison
- Mil Mi-28 "Havoc" attack helicopter (piloted by Sophie N'dram, co-piloted by a GLF soldier)
- Black Arts Viper
- Metal Gear GANDER (piloted by Augustine Eguabon)
- Black Arts Viper (rematch)
Metal Gear Acid[]
- Fake William Flemming
- Leone
- Teliko Friedman
- Leone
- La Clown
- Metal Gear KODOQUE (piloted by William Flemming)
Metal Gear Acid 2[]
- Harab Serap
- Vince
- Golab
- Metal Gear KODOQUE
- Chaigidiel
- Vince
- Metal Gear Chaioth Ha Qadesh (piloted by Thomas Koppelthorn)
- Metal Gear Chaioth Ha Qadesh (piloted by Lucy)
- Venus
Metal Gear Solid Mobile[]
Snake Tales[]
A Wrongdoing
Big Shell Evil
- Harrier (piloted by two Russian crime syndicate members)
Confidential Legacy
- Gurlukovich Mercenaries (miniboss)
- Meryl Silverburgh
Dead Man Whisper
External Gazer
- Gurlugon
- Metal Gear RAY units (AI controlled)
- Solidus Snake
Metal Gear Survive[]
- Wanderer-Seth
- Lord of Dust
- Big Mouth (optional)
- Frost (optional)