Italian Navy ranks

NATO code	OF-10		OF-9		OF-8		OF-7		OF-6		OF-5		OF-4		OF-3		OF-2		OF-1						OF(D)						Student officer
Role	Admirals										Senior officers						Junior officers								Naval cadets
Italian Navy[1][2][3]
	Ammiraglio		Ammiraglio di squadra con incarichi speciali		Ammiraglio di squadra		Ammiraglio di divisione		Contrammiraglio		Capitano di vascello		Capitano di fregata		Capitano di corvetta		Tenente di vascello		Sottotenente di vascello			Guardiamarina			Aspirante guardiamarina
English rank name translation	Admiral		squadron admiral (s.a.) (lieutenant admiral (s.a.))		squadron admiral (lieutenant admiral)		divisional admiral (vice admiral)		counter admiral (rear admiral)		Ship-of-the-line captain		Frigate captain		Corvette Captain		Ship-of-the-line lieutenant		Lieutenant junior grade			Ensign			Aspirant navy guard

Notes:
¹ The rank of "ammiraglio" (admiral) is assigned to the only naval officer promoted as chief of the defense staff.

² The rank of "ammiraglio di squadra con incarichi speciali" (squadron admiral with special assignments) is assigned to the naval officer promoted as chief of the naval staff and/or as secretary of defense.

³ As officer designated, the rank of "aspirante guardiamarina" is comparable to the Royal Navy midshipman.

NATO code	OR-9						OR-8		OR-7		OR-6						OR-5						OR-4				OR-3		OR-2						OR-1
Role	Marshals								Sergeants														Permanent service volunteers						Temporary service volunteers
Italian Navy[4][5]																							Sottocapo di Prima Classe Scelto q.s. Sottocapo di Prima Classe Scelto Sottocapo di Prima Classe Sottocapo di seconda Classe Sottocapo di terza Classe												No insignia
	Primo luogotenente q.s.[lower-alpha 1]	Luogotenente	Primo maresciallo		Capo di prima classe		Capo di seconda classe	Capo di terza classe	Secondo capo scelto q.s.	Secondo capo scelto	Secondo capo						Sergente										Sottocapo		Comune di prima classe						Comune di seconda classe
English rank name translation	Sub-lieutenant first class	sub-lieutenant	first marshal		chief 1st class		chief 2nd class	chief 3rd class	Chosen second chief (special class)	chosen second chief	second chief						sergeant						Senior chosen subchief 1st class (special class) senior chosen subchief 1st class chosen subchief 1st class subchief 2nd class subchief 3rd class				subchief		commoner 1st class						commoner 2nd class

Notes:
¹No rank insignia, sailors just wear category or specialty badge, in this case the rating of "tecnico di macchine" (machinist's mate).