- Operacja Seegrund
- Operacja WAR WAR
- Operacja „Goniec”
- Operador Zero
- Operasjon Fritham
- Operasjon Høye Nord
- Operasjon Isbjørn
- Operasjon Qibli
- Operasjon Snøhvit
- Operating Within the Shadows
- Operation
- Operation 1600
- Operation 9-11
- Operation Afrika
- Operation Allike
- Operation Alpha
- Operation Alpha (Project Pallid Book 2)
- Operation Amazon
- Operation Arachnid: On High Alert
- Operation Archimedes
- Operation Arctic Sting
- Operation Argus
- Operation Armageddon
- Operation Atom
- Operation Babel
- Operation Baby Rescue
- Operation Badger
- Operation Bald Eagle
- Operation Beskyttelse
- Operation Bird Dog
- Operation Black Key
- Operation Black List
- Operation Black Swan
- Operation Blazing Snow
- Operation Blue Sapphire
- Operation Breakthrough
- Operation Breitschwert
- Operation Broadsword
- Operation C
- Operation Cairo (False Idols Season 1 Episode 1)
- Operation Cakewalk
- Operation Calmar
- Operation Camilla
- Operation Caribe
- Operation Che Guevara
- Operation Contra
- Operation Counterpunch
- Operation Dacapo
- Operation Deathmaker
- Operation Debt Recovery An Electric Eclectic Book
- Operation Delicate
- Operation Desolation
- Operation Double Cross
- Operation dræb Ike
- Operation Eismeer
- Operation Ersatz
- Operation Firefight
- Operation Flashpoint
- Operation Fledermaus
- Operation fosterland
- Operation Free Bird, a Campbell/Greene Adventure
- Operation Fritham
- Operation Führerhauptquartier
- OPERATION GARBO
- Operation Garbo, del 1
- Operation Garbo, del 2
- Operation Garbo, del 3
- Operation Geriatric Geese
- Operation Gidsel
- Operation Goodwood
- Operation Grendel
- Operation grüne Hölle
- Operation Gudrun Ensslin
- Operation Hail Storm
- Operation Hail Storm (Hail 1)
- Operation Hawk's Nest
- Operation Hero's Watch
- Operation Homecoming
- Operation Honey Pot
- Operation Høje Nord
- Operation Ice Breaker
- Operation Il Duce
- Operation Indsamling
- Operation Insamling
- Operation IoTopia
- Operation Iran
- Operation Iraq
- Operation Isbjørn
- Operation Isbombe
- OPERATION ISKARIOT (Die Ritter des Vatikan 3)
- Operation Jackdaw
- Operation Jericho
- Operation Jackdaw
- Operation Jericho
- Operation JFK
- Operation Johar — A Love Story
- Operation Joktan
- Operation Kod
- Operation kode
- Operation Last Assault
- Operation Lavivrus
- Operation Liepaja
- Operation Livvagt
- Operation Livvakt
- Operation Locksmith
- OPERATION LONDON (Outbreak 2)
- Operation MaxTracker
- Operation Mona
- Operation Monarch
- Operation Monsunregn
- Operation Mord
- Operation mord
- Operation Morthor
- Operation Moth
- Operation Mountain Recovery
- Operation Mörderischer Auftrag: 7 Action Thriller in einem Band
- Operation Naji
- Operation Nanny
- Operation Narko
- Operation Navy Cross
- Operation Nicaragua
- Operation njet-njet
- Operation Norfolk
- Operation Notorious
- Operation Notvarp - ubåtsjakten i Hårsfjärden
- Operation Noz
- Operation Odessa
- Operation Olie
- Operation Ormens huvud
- Operation Oskar
- Operation Overlady
- Operation Owl
- Operation Payback
- Operation Peruggia
- Operation Piracy
- Operation Polar
- Operation Politik