In Call of Duty 4: Modern Warfare, achievements are only available on the Xbox 360 version of the game. It shares its achievements with Call of Duty: Modern Warfare Remastered, without some additions.
|Bird on the Ground||Shoot down an enemy helicopter with an RPG in the single player campaign||20|
|Dancing in the Dark||Kill the power
(Complete "Blackout" on any difficulty level)
|Daredevil||Kill an enemy while blinded by a flashbang in the single player campaign||10|
|Death From Above||Operate an AC-130 gun ship
(Complete "Hunted" on any difficulty level)
|Deep and Hard||Complete the game on Hardened or Veteran||90|
|Desperate Measures||Corner Zakhaev's Son
(Complete "The Sins of the Father" on any difficulty level)
|Down Boy Down||Survive a dog attack||20|
|Earn a Winged Dagger||Complete "F.N.G."||20|
|Eyes and Ears||Find 30 enemy intel items||20|
|Four of a Kind||Kill 4 enemies in a row with headshots in the single player campaign||20|
|Ghillies in the Mist||Complete "All Ghillied Up" without alerting any enemies||20|
|Look Sharp||Find 15 enemy intel items||20|
|Make the Jump||Infiltrate a cargo ship
(Complete "Crew Expendable" on any difficulty)
|Man of the People||Save the farmer||10|
|Mile High Club||Sky dive to safety on Veteran
(Complete "Mile High Club" on Veteran)
|New Squadron Record||Complete the cargo ship mockup in less than 20 seconds||20|
|No Rest for the Weary||Stab an injured crawling enemy||10|
|Piggyback Ride||Carry Cpt. MacMillian to safety
(Complete "One Shot, One Kill" on any difficulty)
|Rescue Roycewicz||Save Pvt. Roycewicz on the stairs||20|
|Roadkill||Kill 2 enemies by blowing up a car in the single player campaign||10|
|Save the Bacon||Protect War Pig, the Abrams tank
(Complete "The Bog" on any difficulty)
|Straight Flush||Kill 5 enemies with 1 shot while in the AC-130 gunship||20|
|The Bog||Complete "The Bog" and "War Pig" on Veteran||40|
|The Escape||Complete "Hunted" and "Death From Above" on Veteran||40|
|The First Horseman||Complete "Shock and Awe" on Veteran||40|
|The Fourth Horseman||Complete "Game Over" on Veteran||40|
|The Package||Complete "Crew Expendable" on Veteran||40|
|The Rescue||Complete "Blackout" on Veteran||40|
|The Search||Complete "Charlie Don't Surf" on Veteran||40|
|The Second Horseman||Complete "Safehouse" on Veteran||40|
|The Shot||Complete "All Ghillied Up" and "One Shot, One Kill" on Veteran||40|
|The Third Horseman||Complete "Heat" and "The Sins of the Father" on Veteran||40|
|The Ultimatum||Complete "Ultimatum", "All In" and "No Fighting In The War Room" on Veteran||40|
|Three of a Kind||Kill 3 enemies in a row with your knife in the single player campaign||10|
|Win the War||Complete the game on any difficulty||40|
|Wrong Number||Find Al-Asad's safehouse
(Complete "Safehouse" on any difficulty)
|Your Show Sucks||Destroy all the TVs showing Al-Asad's speech||20|
- The Man of the People achievement will only unlock after Captain Price has given the order to fire upon the Ultranationalist soldiers.
- The Earn a Winged Dagger achievement is named after the insignia of the SAS, the winged dagger.
- Three achievements are named after hands in poker.
- The Three of a Kind and Four of a Kind achievements reference the poker hands of having the same card value three or four times in a single playable hand. The Four of a Kind achievement image features four Ace cards with differing suits, one of the possible combinations.
- The Straight Flush achievement references the poker hand of having five cards in consecutive order containing the same suit.
- The Deep and Hard achievement is a reference to the song in the credits "Deep and Hard", a rap song by Griggs.
- The Ghillies in the Mist achievement is a reference to the movie Gorillas in the Mist.