The Military ranks of Antigua and Barbuda are the military insignia used by the Antigua and Barbuda Defence Force. Being a member of the Commonwealth of Nations, Antigua and Barbuda shares a rank structure similar to that of the United Kingdom.

The rank insignia of commissioned officers.

Rank group	General / flag officers										Senior officers						Junior officers
Antigua and Barbuda Regiment[1]
											Colonel		Lieutenant colonel		Major		Captain		First lieutenant			Second lieutenant
Antigua and Barbuda Coast Guard[1]
											Captain		Commander		Lieutenant commander		Lieutenant		Lieutenant (junior grade)			Sub-lieutenant
Rank group	General / flag officers										Senior officers						Junior officers

Rank group	Student officer
Antigua and Barbuda Regiment[1]
	Officer cadet
Antigua and Barbuda Coast Guard[1]
	Midshipman

The rank insignia of non-commissioned officers and enlisted personnel.

Rank group	Senior NCOs																						Junior NCOs						Enlisted
Antigua and Barbuda Regiment[1]																													No insignia
	Warrant officer class 1						Warrant officer class 2		Staff sergeant		Sergeant												Corporal				Lance corporal		Private (or equivalent)
Antigua and Barbuda Coast Guard[1]
	Master chief petty officer class 1						Master chief petty officer class 2		Chief petty officer		Petty officer												Leading seaman						Able seaman
Rank group	Senior NCOs																						Junior NCOs						Enlisted