Military ranks of Guyana

The rank insignia for commissioned officers for the army, navy and air force respectively.

Equivalent NATO code	OF-10		OF-9		OF-8		OF-7		OF-6		OF-5		OF-4		OF-3		OF-2		OF-1						OF(D) and student officer
Guyana Army					No equivalent
	Commander-in-Chief		Minister of Defence				Major general		Brigadier		Colonel		Lieutenant Colonel		Major		Captain		Lieutenant		Second lieutenant		Ensign		Officer Cadet
Guyana Coast Guard	No equivalent
							Rear admiral		Commodore		Captain		Commander		Lieutenant commander		Lieutenant		Lieutenant Junior Grade			Sub lieutenant			Midshipman
Guyana Air Corps	No equivalent
													Lieutenant Colonel		Major		Captain		Lieutenant			Second lieutenant			Officer Cadet
Equivalent NATO code	OF-10		OF-9		OF-8		OF-7		OF-6		OF-5		OF-4		OF-3		OF-2		OF-1						OF(D) and student officer

Former insignia

Equivalent NATO Code	OF-8	OF-6
Army
	Lieutenant general	Brigadier general

The rank insignia for enlisted personnel for the army, navy and air force respectively.

Equivalent NATO code	OR-9						OR-8		OR-7		OR-6						OR-5						OR-4				OR-3		OR-2						OR-1
Guyana Army																													No insignia
	Warrant Officer Class 1						Warrant Officer Class 2 (Technical)	Warrant Officer Class 2	Staff Sergeant		Sergeant												Corporal				Lance Corporal		Private (or equivalent)
Guyana Coast Guard																	No equivalent										No equivalent								No equivalent
	Fleet Chief Petty Officer						Chief Petty Officer		Senior Petty Officer		Petty officer												Leading seaman						Able seaman
Guyana Air Corps																													No insignia
	Warrant Officer Class 1						Warrant Officer Class 2		Staff Sergeant		Sergeant												Corporal				Lance Corporal		Private (or equivalent)
Equivalent NATO Code	OR-9						OR-8		OR-7		OR-6						OR-5						OR-4				OR-3		OR-2						OR-1

• Granger, David (1975). "Chapter 1:THE COLONIAL HERITAGE: 1878 – 1964". The New Road – a short history of the establishment of the Guyana Defence Force. Guyana Defence Force. ASIN B0007CC6HG.
• Merrill, Tim (1993). Guyana and Belize: country studies. Library of Congress. p. 138. Retrieved 18 April 2020.
• Uniforminsignia.org (Guyana Defence Force)
• Uniforminsignia.org (Guyana Defence Force Coast Guard)