This article is a list of bosses that are fought in the Metal Gear series.
Metal Gear
- Four mercenaries
- Shotmaker
- Machinegun Kid
- Hind D (replaced by Twin Shot in the Nintendo Entertainment System version)
- Tank
- Bulldozer
- Fire Trooper
- TX-11 Cyberoid "Bloody Brad" (2)
- Dirty Duck
- TX-55 Metal Gear (replaced by the Super Computer in the NES version)
- Big Boss
Metal Gear 2: Solid Snake
- Black Ninja
- Running Man
- Hind D
- Red Blaster
- Four Horsemen
- Jungle Evil
- Night Fright
- Drago Pettrovich Madnar
- Metal Gear D (piloted by Gray Fox)
- Gray Fox
- Big Boss
Metal Gear Solid
- Heavily armed Genome Soldiers
- Revolver Ocelot
- Tank (controlled by Vulcan Raven and two Genome Soldiers)
- Cyborg Ninja
- Psycho Mantis
- Sniper Wolf (Underground Passage)
- Black-outfitted Genome Soldiers (3)
- Hind D (piloted by Liquid Snake, co-piloted by a Genome Soldier)
- Stealth Camouflaged Genome Soldiers (4)
- Sniper Wolf (Snowfield)
- Black-outfitted Genome Soldiers (3)
- 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
As Solid Snake:
As Raiden:
- Fortune
- Fatman
- Harrier (piloted by Solidus Snake, co-piloted by Vamp)
- Vamp (Filtration Chamber No. 1)
- Vamp (Oil Fence)
- Tengus
- Metal Gear RAY units (AI controlled)
- Solidus Snake
Metal Gear Solid 3: Snake Eater
- Ocelot Unit
- Ocelot
- The Pain
- The Fear
- The End (if The End was killed earlier on, he is replaced by members of the Ocelot Unit)
- The Fury
- The Sorrow
- 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
- FROGS (Advent Palace)
- Laughing Octopus
- Raging Raven
- Crying Wolf
- Vamp
- Suicide Gekko
- Metal Gear RAY (piloted by Liquid Ocelot) (while controlling Metal Gear REX)
- FROGS (Command Center)
- Screaming Mantis
- Liquid Ocelot
Metal Gear Solid: Peace Walker
- LAV - Type G
- T-72U
- Pupa
- Mi-24A
- Chrysalis
- Peace Sentinel Commandos (24)
- Cocoon
- Peace Walker (bipedal) (Mining Pit)
- Mi-24D
- Peace Walker (quadrupedal) (Runway)
- Metal Gear ZEKE (piloted by Pacifica Ocean)
Metal Gear Rising: Revengeance
Main game
- Metal Gear RAY Mod. (Port)
- Metal Gear RAY Mod. (Rooftops/Tower)
- Samuel Rodrigues (Train)
- LQ-84i
- Hammerhead
- Mistral
- Grad (Mexico)
- Monsoon
- Grad (World Marshal HQ)
- Body double Mistral (AI controlled)
- Body double Monsoon (AI controlled)
- Sundowner
- Samuel Rodrigues (Badlands)
- Metal Gear Excelsus (piloted by Steven Armstrong)
- Steven Armstrong
Jetstream DLC
Blade Wolf DLC
Metal Gear Solid V: Ground Zeroes
Side Ops
- Armored vehicle (Intel Operative Rescue)
- Helicopter (Intel Operative Rescue)
- Armored vehicle (Destroy the Anti-Air Emplacements)
Extra Ops
- Helicopter (Jamais Vu)
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
- Cyborg Big Boss
- Metal Gear 2
Metal Gear: Ghost Babel
- Slasher Hawk
- Marionette Owl
- Pyro Bison
- Mil Mi-28 Havoc (piloted by Sophie N'dram)
- 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
- Fatman
- Harrier (piloted by two Russian crime syndicate members)
- Meryl Silverburgh
- Vamp
- Metal Gear RAY units (AI controlled)
- Solidus Snake