アメリカ軍の階級はアメリカ合衆国の軍事組織において、その構成員の上下関係を明確にするために定められた序列である。
目次

1 現在の階級一覧

2 公衆衛生局及び海洋大気庁士官部隊の階級

3 階級呼称の変遷

4 給与等級

5 脚注

6 関連項目

現在の階級一覧

アメリカ軍の階級呼称一覧NATO 階級符号
(NATO Rank Code) /
給与等級
(pay grade)アメリカ陸軍
(United States Army)アメリカ海軍 ⇒[1]
(United States Navy)アメリカ海兵隊
(United States Marine Corps)アメリカ空軍
(United States Air Force)アメリカ沿岸警備隊
(United States Coast Guard)
士官 (COMMISSIONED OFFICERS)
将官
OF-10 / special（陸軍）
O-11（海軍）
（元帥）General of the Army
GA
（戦時のみに留保）Fleet Admiral of the United States Navy
FADM
（戦時のみに留保）-General of the Air Force
GAF
（戦時のみに留保）-
OF-9 /
O-10（大将）General
GEN
Admiral
ADM
General
Gen.
General
Gen.
Admiral
ADM

OF-8 /
O-9（中将）Lieutenant General
LTG
Vice Admiral
VADM
Lieutenant General
Lt. Gen.
Lieutenant General
Lt. Gen.
Vice Admiral
VADM

OF-7 / O-8Major General
MG
（少将）Rear Admiral (upper half) 又は Rear Admiral[注釈 1]
RADM (UH)又はRADM
（少将（上級））[3][注釈 2]Major General
Maj. Gen.
（少将）Major General
Maj. Gen.
（少将）Rear Admiral (upper half) 又は Rear Admiral
RADM (UH)又はRADM
（少将（上級））
OF-6 / O-7Brigadier General
BG
（准将）Rear Admiral (lower half)
RADM (LH)又はRDML
（少将（下級）[8]Brigadier General
Brig. Gen.
（准将）Brigadier General
Brig. Gen.
（准将）Rear Admiral (lower half)
RADM (LH)又はRDML
（少将（下級）又は准将）
佐官
OF-5 / O-6
（大佐）Colonel
COLCaptain
CAPTColonel
Col.Colonel
Col.Captain
CAPT
OF-4 / O-5
（中佐）Lieutenant Colonel
LTCCommander
CDRLieutenant Colonel
Lt. Col.Lieutenant Colonel
Lt. Col.Commander
CDR
OF-3 / O-4
（少佐）Major
MAJLieutenant Commander
LCDRMajor
Maj.Major
Maj.Lieutenant Commander
LCDR
尉官
OF-2 / O-3
（大尉）Captain
CPTLieutenant
LTCaptain
Capt.Captain
Capt.Lieutenant
LT
OF-1 / O-2
（中尉）First Lieutenant
1LTLieutenant junior grade 又は Lieutenant(junior grade)[注釈 3]
LTJGFirst Lieutenant
1st Lt.First Lieutenant
1st Lt.Lieutenant junior grade 又は Lieutenant(junior grade)
LTJG
OF-1 / O-1
（少尉）Second Lieutenant
2LTEnsign
ENSSecond Lieutenant
2nd Lt.Second Lieutenant
2nd Lt.Ensign
ENS
准士官 (WARRANT OFFICERS)
WO-5 / W-5
（1等准尉）
（1等兵曹長）Chief Warrant Officer 5
CW5Chief Warrant Officer 5
CWO5Chief Warrant Officer 5
CWO5--
WO-4 / W-4
（2等准尉）
（2等兵曹長）Chief Warrant Officer 4
CW4Chief Warrant Officer 4
CWO4Chief Warrant Officer 4
CWO4-Chief Warrant Officer 4
CWO4
WO-3 / W-3
（3等准尉）
（3等兵曹長）Chief Warrant Officer 3
CW3Chief Warrant Officer 3
CWO3Chief Warrant Officer 3
CWO3-Chief Warrant Officer 3
CWO3
WO-2 / W-2
（4等准尉）
（4等兵曹長）Chief Warrant Officer 2
CW2Chief Warrant Officer 2
CWO2Chief Warrant Officer 2
CWO2-Chief Warrant Officer 2
CWO2
WO-1 / W-1
（5等准尉）Warrant Officer 1
WO1-Warrant Officer 1
WO1--
下士官兵 (ENLISTED PERSONNEL)
下士官 (Non-Commissioned Officers)
OR-9 / E-9Sergeant Major of the Army (SMA)
（陸軍最上級曹長）Master Chief Petty Officer of the Navy (MCPON)
（海軍最先任上等兵曹）Sergeant Major of the Marine Corps (SgtMajMC)
（海兵隊最上級曹長）Chief Master Sergeant of the Air Force (CMSAF)
（空軍最先任上級曹長）Master Chief Petty Officer of the Coast Guard (MCPOCG)
（沿岸警備隊最先任上等兵曹）
OR-9 / E-9Command Sergeant Major (CSM)
（最上級曹長）
Sergeant Major (SGM)
（上級曹長）Fleet/Force Master Chief Petty Officer (FLTCM)(FORCM)
（艦隊・司令部等最先任上等兵曹）
Command Master Chief Petty Officer (CMDCM)
（部隊等最先任上等曹）
Master Chief Petty Officer (MCPO)
（最先任上等上級兵曹）Sergeant Major (SgtMaj)
（最上級曹長：管理職）
Master Gunnery Sergeant (MGySgt)
（上級曹長：専門職）Command Chief Master Sergeant (CCM)
（上級部隊等最先任上級曹長）
First Sergeant
（部隊等最先任上級曹長）
Chief Master Sergeant (CMSgt)
（最先任上級曹長）Area/DCO/DCMS Master Chief Petty Officer
（地域等最先任上等兵曹）
Command Master Chief Petty Officer (CMDCM)
（部隊等最先任上等曹）
Master Chief Petty Officer (MCPO)
（最先任上等兵曹）
OR-8 / E-8First Sergeant (1SG)
（先任曹長）
Master Sergeant (MSG)
（曹長）Senior Chief Petty Officer (SCPO)
（上級上等兵曹）First Sergeant (1st Sgt)
（先任曹長：管理職）
Master Sergeant (MSgt)
（曹長：専門職）First Sergeant
（先任上級曹長）
Senior Master Sergeant (SMSgt)
（上級曹長）Senior Chief Petty Officer (SCPO)
（上級上等兵曹）
OR-7 / E-7Sergeant First Class (SFC)
（一等軍曹）Chief Petty Officer (CPO)
（上等兵曹）Gunnery Sergeant (GySgt)（一等軍曹）First Sergeant
（先任曹長）
Master Sergeant (MSgt)
（曹長）Chief Petty Officer (CPO)
（上等兵曹）
OR-6 / E-6Staff Sergeant (SSG)
（二等軍曹）Petty Officer First Class (PO1)
（一等兵曹）Staff Sergeant (SSgt)
（二等軍曹）Technical Sergeant (TSgt)（技能軍曹）Petty Officer First Class (PO1)
（一等兵曹）
OR-5 / E-5Sergeant (SGT)
（三等軍曹）Petty Officer Second Class (PO2)
（二等兵曹）Sergeant (Sgt)（三等軍曹）Staff Sergeant (SSgt)