Commodore was a rank held by Captains during their tenure of certain specific appointments, on completion of which they reverted to the rank of Captain. Since 1997, however, the rank of Commodore has been substantive, and it ranks above Captain.

These ranks should not be abbreviated.

How to Address a Commodore

The recommended style of address is as follows:

Beginning of letter Dear Commodore/Captain Smith
End of letter Yours sincerely
Envelope Commodore/Captain John Smith, CBE, Royal Navy
Verbal Address Commodore/Captain Smith*
Invitation Commodore/Captain John Smith
Description in conversation Commodore/Captain Smith
List of Directors or Patrons Commodore/Captain John Smith
Place card Commodore/Captain John Smith

*A younger man, or a more junior officer in any of the Armed Forces, addresses him as ‘Sir’.

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