| Acheron | ||
| Official | Yes | |
| Broad Design | No | |
| Admiralty Approved | 3rd Sep, 1928 | |
| Motto | Post tenebras lux. (After darkness, light.) | |
| Symbology | The Acheron is the River of Sorrows in Hades, which all souls have to cross. | |
| Design Notes | Black with four wavy bars of silver. | |
| Additional Notes | ||
| Achilles | ||
| Official | Yes | |
| Broad Design | No | |
| Admiralty Approved | 20th Jul, 1931 | |
| Motto | Foriter in re. (Bravely in action.) | |
| Symbology | Achilles is the hero of Homer's 'Iliad'. | |
| Design Notes | The head of Achilles, helmeted in gold on a red background. | |
| Additional Notes | ||
| Adamant | ||
| Official | Yes | |
| Broad Design | No | |
| Admiralty Approved | 12th Nov, 1919 | |
| Motto | Lead On. | |
| Symbology | From the arms of Sir William Hotham (1736-1813), who commanded the Adamant at Camperdown in 1797. | |
| Design Notes | A sword inflamed with a silver pommel and gold hilt on a blue background. | |
| Additional Notes | Submarine Depot Ship. | |
| Aeneas | ||
| Official | Yes | |
| Broad Design | No | |
| Admiralty Approved | 16th May, 1946 | |
| Motto | Audentis fortuna juvat. (Fortune favours the daring.) | |
| Symbology | Aeneas was the son of Anchises and Aphrodite who escaped the siege of Troy and thereafter wandered the world. | |
| Design Notes | A classical Greek demi-warrior armoured in white, decorated with a gold helmet crested also in gold, carrying in the dexter hand a spear and in the sinister a white shield on a red background. | |
| Additional Notes | ||
| Affray | ||
| Official | Yes | |
| Broad Design | No | |
| Admiralty Approved | 20th Jul, 1945 | |
| Motto | Strong in battle. | |
| Symbology | An affray is a brawl. | |
| Design Notes | Four boarding axes in Saltaire are interlaced in white on a red background. | |
| Additional Notes | ||
| Agamemnon | ||
| Official | Yes | |
| Broad Design | No | |
| Admiralty Approved | ||
| Motto | Multa Tula Fecique. (I have borne much and done much). | |
| Symbology | As King of Mycenae, Agamemnon commanded the Greek army at the siege of Troy. | |
| Design Notes | Blue background. A dexter arm embowed sinister, the hand grasping a throwing spear fesswise in gold. | |
| Additional Notes | Identical to the unofficial badge. | |
| Agincourt | ||
| Official | Yes | |
| Broad Design | No | |
| Admiralty Approved | 6th May, 1946 | |
| Motto | Nestroque! (Now strike!) | |
| Symbology | King Henry V defeated the French at Agincourt in 1415. One of the king's insignia was an antelope. | |
| Design Notes | A heraldic antelope statant within a wreath of palm, gold-white-armed, crined and chained, gold-langued, blue on a red background. | |
| Additional Notes | ||
| Alaric | ||
| Official | Yes | |
| Broad Design | No | |
| Admiralty Approved | 12th Oct, 1945 | |
| Motto | The thicker the hay, the easier mowed. | |
| Symbology | Alaric was the king of the Visigoths who ravaged Rome in 1410. | |
| Design Notes | A sword with a white pommel and hilt of gold surmounted by two white scythes in saltire, on a black background. | |
| Additional Notes | ||
| Alaunia | ||
| Official | Yes | |
| Broad Design | No | |
| Admiralty Approved | 16th May, 1946 | |
| Motto | ||
| Symbology | The name alludes to the Alani horsemen who occupied part of Caucasia. | |
| Design Notes | A black horse's erased head wearing a gold collar on a white plate with a blue background. | |
| Additional Notes | Submarine Depot Ship | |
| Alcide | ||
| Official | Yes | |
| Broad Design | No | |
| Admiralty Approved | 17th Jul, 1945 | |
| Motto | ||
| Symbology | A prize vessel name from 1755. Shows a Supporter from the Arms of Admiral Boscawen, Viscount Falmouth, who captured the ship. | |
| Design Notes | A sea lion, erect, white, goutty-de-larmes, armed and langued red, holding between the paws a fleur-de-lis in gold on a blue background. | |
| Additional Notes | ||
| Alderney | ||
| Official | Yes | |
| Broad Design | No | |
| Admiralty Approved | 3rd Nov, 1945 | |
| Motto | ||
| Symbology | From the arms of the Channel Island of the same name. (The ship is affiliated). | |
| Design Notes | A gold lion rampant, ensigned with a royal crown in red, holding in his dexter paw a sprig of oak proper on a green background. | |
| Additional Notes | ||
| Alderney | ||
| Official | No | |
| Broad Design | No | |
| Admiralty Approved | N/A | |
| Motto | Creme De La Creme. | |
| Symbology | The Alderney is an extinct breed of dairy cattle. It originated in, and is named for, the island of Alderney in the Channel Islands. | |
| Design Notes | ||
| Additional Notes | ||
| Alecto | ||
| Official | Yes | |
| Broad Design | No | |
| Admiralty Approved | 3rd May, 1920 | |
| Motto | Cave prolem. (Beware my brood.) | |
| Symbology | Alecto is one of the Furies of Greek mythology. | |
| Design Notes | Two gold vipers confronting each other with their tails involved on a green background. | |
| Additional Notes | Submarine Depot Ship. This ship was adopted by Coseley, Staffs. | |
| Alliance | ||
| Official | Yes | |
| Broad Design | Yes | |
| Admiralty Approved | 12th Oct, 1945 | |
| Motto | Undivided | |
| Symbology | A French prize vessel of 1795. The design alludes to the Forces of the Crown. | |
| Design Notes | In front of two conjoined wings are two white swords in saltire with white pommels and hilts of gold surmounted by an anchor also in gold on a blue background. | |
| Additional Notes | ||
| Ambrose | ||
| Official | Yes | |
| Broad Design | No | |
| Admiralty Approved | 29th Jul, 1921 | |
| Motto | De profundis adsumus. (Out of the depths we are here.) | |
| Symbology | Saint Ambrose was an early father of the church. | |
| Design Notes | A gold crozier interlaced in the base with three wavy bars of silver on a blue background. | |
| Additional Notes | A submarine depot ship which became HMS Cochrane in 1938. | |
| Ambush | ||
| Official | Yes | |
| Broad Design | No | |
| Admiralty Approved | 3rd Nov, 1945 | |
| Motto | Hide and seek. | |
| Symbology | Lying in wait. A submarine name. | |
| Design Notes | On a mount of green, a bush all proper; issuant therefrom are three spears, one erect, two in saltire proper. On a black background. | |
| Additional Notes | ||
| Amphion | ||
| Official | Yes | |
| Broad Design | No | |
| Admiralty Approved | 17th Jan, 1933 | |
| Motto | Fear none. | |
| Symbology | Amphion was a son of the god Zeus. The design alludes to the crest of Captain Thomas Hardy (1769-1839). Nelson's Flag Captain in Amphion. | |
| Design Notes | A green dragon's head above a naval crown on a white backgroud. | |
| Additional Notes | The badge is now used by a Canadian Sea Cadet Unit. | |
| Anchorite | ||
| Official | Yes | |
| Broad Design | No | |
| Admiralty Approved | 26th Aug, 1946 | |
| Motto | We prey alone. | |
| Symbology | A maritime hermit or recluse. | |
| Design Notes | An anchor, bendwise or recluse, in gold, surmounted by a hermit crab proper on a blue background. | |
| Additional Notes | ||
| Andrew | ||
| Official | Yes | |
| Broad Design | No | |
| Admiralty Approved | 23rd Aug, 1946 | |
| Motto | ||
| Symbology | The Patron Saint of Scotland. | |
| Design Notes | A saltire couped white with two thistles slipped and leaved proper. | |
| Additional Notes | ||
| Anson | ||
| Official | Yes | |
| Broad Design | No | |
| Admiralty Approved | ||
| Motto | Nil desperandum. (Despair of nothing.) | |
| Symbology | From the Arms of A of F Baron Anson of Soberton (1697-1762), who circumnavigated the world in the Centurion in 1741-1743. He was the last Sea Lord to fight at sea. | |
| Design Notes | Out of a ducal coronet of gold, a spearhead and shaft proper. Per fess wavy white and blue background. | |
| Additional Notes | Exact date badge passed not known as Pattern has been lost but was in 1940. | |
| Artemis | ||
| Official | Yes | |
| Broad Design | No | |
| Admiralty Approved | 10th Nov, 1944 | |
| Motto | Clam cito certo. {Secretly, swiftly, surely.) | |
| Symbology | Artemis (or Diana) is the Goddess of the Hunt, etc. | |
| Design Notes | A quiver of arrows and a bow in saltire all in gold surmounted by a white crescent on a blue background. | |
| Additional Notes | ||
| Artful | ||
| Official | Yes | |
| Broad Design | No | |
| Admiralty Approved | 12th Oct, 1945 | |
| Motto | ||
| Symbology | No particular species is singled out. | |
| Design Notes | A monkey passant guardant proper on a green background. | |
| Additional Notes | ||
| Artifex | ||
| Official | Yes | |
| Broad Design | No | |
| Admiralty Approved | 13th Jun, 1946 | |
| Motto | ||
| Symbology | The name is derived from the Latin for "artificer". | |
| Design Notes | Three sledgehammers: one erect, two in saltire, surmounted by a black anvil on a gold background. | |
| Additional Notes | Submarine Depot Ship | |
| Astute | ||
| Official | Yes | |
| Broad Design | No | |
| Admiralty Approved | 30th May, 1945 | |
| Motto | ||
| Symbology | A retriever's favourite work. | |
| Design Notes | A retriever statant proper with a grouse, also proper, in his mouth on a white background. | |
| Additional Notes | ||
| Audacious | ||
| Official | Yes | |
| Broad Design | No | |
| Admiralty Approved | ||
| Motto | Hide and seek | |
| Symbology | The Audacious name goes all the way back to an 1869 ironclad and a 1912 King George V-class battleship. | |
| Design Notes | The background pattern consists of ermine (white with black tail markings), symbolizing dignity and nobility. It features a central blue anchor surrounded by three red escallop shells. | |
| Additional Notes | ||
| Auriga | ||
| Official | Yes | |
| Broad Design | No | |
| Admiralty Approved | 20th Jul, 1945 | |
| Motto | ||
| Symbology | The Charioteer, after whom a constellation was named. | |
| Design Notes | A gold chariot with two white horses, the charioteer habited in white with gold armour. | |
| Additional Notes | ||
| Aurochs | ||
| Official | Yes | |
| Broad Design | No | |
| Admiralty Approved | 17th Jul, 1945 | |
| Motto | ||
| Symbology | An extinct species of European ox. | |
| Design Notes | The head of an ox caboshed black on a white background. | |
| Additional Notes | ||
| Ausonia | ||
| Official | Yes | |
| Broad Design | No | |
| Admiralty Approved | 13th Jun, 1946 | |
| Motto | Si frangites reparamus. (If you break it, we will mend it.) | |
| Symbology | The ancient name for Italy. The house flag shows a lion's mask. | |
| Design Notes | A carpenter's axe and a sledgehammer in saltire proper, surmounted by a gold lion's mask on a red background. | |
| Additional Notes | Submarine Depot Ship | |
| Bonaventure | ||
| Official | Yes | |
| Broad Design | No | |
| Admiralty Approved | 11th Jun, 1940 | |
| Motto | ||
| Symbology | A composite Elizabethan word. The griffin is from the Arms of Drake. The horseshoe translates 'bonaventure' into 'good luck'. | |
| Design Notes | A red griffin statant wings extended all inclined to profile upon upon a reversed gold horse shoe on a barry wavy background of six white and blue. | |
| Additional Notes | Elizabeth Bonaventure was Drake's flagship in the West Indies and at Cadiz. | |