This is a list of fictional military ranks. They appear in various media, particularly books, films, and television. As a rule, they are more common in science fiction than in other genres.
Officer Grade
Commander - Equivalent to various flag officer ranks
Colonel
Major
Captain
Lieutenant Senior Grade
Lieutenant Junior Grade
Ensign
Enlisted Grade
Senior Flight Sergeant
Flight Sergeant
Flight Corporal
Petty Officer
Officer Grade
Admiral - (Theoretical - non-canon.)
Vice Admiral - (Theoretical - non-canon.)
Rear Admiral - (Only Flag Rank that appears in series canon.)
Commander - Equivalent to a Commodore, Commanding Officer of a Battlestar Group.
Colonel
Lieutenant Colonel (Jack Fisk "Razor")
Major
Captain
Lieutenant
Lieutenant Junior Grade
Ensign
Enlisted Grade
Master Chief Petty Officer - (Theoretical - non-canon.)
Chief Petty Officer
Petty Officer 1st Class
Petty Officer 2nd Class / Sergeant (Marines)
Specialist / Corporal (Marines)
Private
Supreme Bashar - Field Marshal
Caid - Military ruler in charge of a planet
Burseg - General
Bashar - between Colonel and Brigadier General
Levenbrech - Between sergeant and lieutenant
Lower ranks use normal terms (private, sergeant, corporal, captain) in the Malazan military
Fist - commander of an army or portion of an army.
High Fist - Highest-ranking officer in a military theater
Imperial Adjunct - an officer selected to be, in effect, a direct extension of the emperor's will.
Squad Mage - mage assigned to assist a particular squad. Mainly used in the Malazan marines.
High Mage - Highest ranking mage in an army's mage cadre
Adjutant - an officer who assisted a more senior officer
Preda - Commander of an army in Lether and Bolkando
Atri-Preda - High commander of an army in Lether and Bolkando
Ceda - A mage in Lether, typically one that uses the more primitive holds, as opposed to warrens.
Atri-Ceda - A 'High Mage' equivalent in Lether, only used after Brys Beddict reforms the Letherii military using the Malazan model. Generally uses holds.
Septarch - Leader/Commander of one of the 7 districts of the Pannion Domin
Urdo - Leader of a company of Urdomen, elite heavy infantry of the Pannion Domin
Seerdomin - Fanatical bodyguards and assassins of the Pannion Domin
First Prime - Field Marshal
Starfleet's ranks are mostly the same as those of the modern United States Navy, with some exceptions.
Commodore - equivalent to the modern Rear Admiral Lower Half
Fleet Captain - between Captain and Commodore
Bajoran Militia ranks are mostly the same as modern Army ranks, with some exceptions.
Commander General - Fleet Admiral or Field Marshal
Legate - All ranks above Commodore/Rear Admiral lower half/Brigadier General
Gul - Captain/Commodore
Glinn - Lieutenant/Lieutenant Commander
la'quv - Fleet Admiral or Field Marshal
'aj - Admiral or General
Sa' - Vice Admiral or Lieutenant General
totlh - Rear Admiral (upper half) or Major General
'ech - Commodore/Rear Admiral lower half or Brigadier General
Galae (Navy) Officers
Riov(Commander) - Captain
erei'Riov (SubCommander) - Commander
khre'Arrain (Centurion-General) - Lieutenant Commander
Arrain (Centurion) - Lieutenant
erei'Arrain (Subcenturion)- Lieutenant, Junior Grade
Erein (Antecenturion) - Ensign
erei'Erein (Officer Cadet) - 4th Year Cadet
khre'Eredh (Cadet-General) - 3rd Year Cadet
Eredh (Cadet) - 2nd Year Cadet
erei'Eredh (Subcadet) - 1st Year Cadet
Non-Commissioned Officers
Decurion - Sergeant Master
Uhlan - Sergeant
Eredh - Corporal
Farein - Private
DaiMon - Captain
Executor - Commander in Chief of the Imperial Fleet, appointed by the emperor
Grand Admiral - was one of the highest in the Galactic Empire (besides the Galactic Emperor, Executor, and Grand Vizier, outranking all other political and Imperial Military personnel, including Moffs).
Grand General - presumably equivalent to the Grand Admiral rank in the Army.
Grand Moff - leader of the Council of Moffs, often controlling larger "oversectors" of space; represented primarily by Grand Moff Tarkin, who controls the Outer Rim.
Moff - several degrees, all flag officer ranks, tend to rule a sector.
Governor - often portrayed as military leader of a planet or system.
High General - equivalent to a major general, often commands land forces and marines in large naval fleets. They are seen to be subordinate to Admirals in some instances while in others they command admirals and other naval officers. For example High General Veers wears less elaborate insignia than Admiral Ozzel who is 3d commander of the Death Squadron. It seems to depend on the situation the High General is operating in.
Fleet Admiral - rank of varying responsibility and uncertain placement in the rank structure.
Captain of the Line - between Captain and Commodore
High Colonel - between Colonel and Brigadier General
High Jedi General-the highest flag officer rank in the GAR. Only assigned to members of the Jedi High Council. Each one commanded a Systems Army.
Senior Jedi General-Jedi Masters not a member of the Council typically received this rank, placing them in charge of one of the GAR's 20 Sector Armies.
Jedi General-flag officer rank assigned to members of the Jedi Order with the rank of Knight or non-Council Master. They command legions and corps, depending on the Jedi rank.
Marshal Commander-rank equivalent to major general or lieutenant general in the Grand Army of the Republic. Commands corps-sized units and was the highest possible rank for clone troopers to achieve.
Senior Commander-flag officer rank subordinate to marshal commanders who commanded clone legions in the battlefield. The entire GAR only had a total of 320 senior commanders.
Jedi Commander-high officer rank assigned to Jedi Padawans in the Clone Wars. Jedi Commanders reigned over regiment-sized units.
Regimental Commander-field officer rank assigned to clone troopers that worked alongside the Jedi Commanders in regiments.
Major-Field officer rank assigned to clone troopers that lead a single battalion.
Lord Commander Militant - Supreme Commander in Chief of the Imperial Guard.
Lord General Militant
Colonel-Commissar - Although Imperial Commissars can technically take command of any Imperial Guard unit, this rank is only given to those who have proven themselves through extraordinary acts of valor and courage. Ibram Gaunt is the only Commissar to currently hold this title.
Bone'ead - Ogryns who underwent brain surgery to enhance their intelligence to near-human level. They are assigned to command squads of their less intelligent counterparts.
Chapter Master - Responsible for an entire Chapter of Space Marines.
Brother-Captain - A Space Marine Captain may be addressed thus by his Brothers. Only an official rank title in the Grey Knights.
Brother-Sergeant
Justicar - Commands a squad of Grey Knights. Equivalent to Sergeant in other Space Marine organisations.
Battle-Brother - the second lowest Space Marine rank
Neophyte - new recruits into the chapter
Note: Systems Alliance Marines are deeply integrated with the Systems Alliance Navy, stationed in small units on board individual ships, often frigate-class, and thus share most of the naval command structure and officer ranks.
Rank hierarchy (Navy/Marine Corps)
Officers
Fleet Admiral
Admiral
Rear Admiral/General
Captain/Major
Staff Commander
Lieutenant Commander
Staff Lieutenant
1st Lieutenant
2nd Lieutenant
NCOs
Operations Chief
Gunnery Chief
Service Chief
Enlisted
Serviceman 1st Class/Corporal
Serviceman 2nd Class/Private 1st Class
Serviceman 3rd Class/Private 2nd Class
