Ranks of the Royal Australian Navy
| Rank | Rank Abbreviation | AUS Rank Code | NATO Rank Code | Rank Image |
|---|---|---|---|---|
| Admiral of the Fleet | AF | O-11 | OF-11 |
 |
| Admiral | ADML | O-10 | OF-9 |
 |
| Vice Admiral | VADM | O-9 | OF-8 |
 |
| Rear Admiral | RADM | O-8 | OF-7 |
 |
| Commodore | CDRE | O-7 | OF-6 |
 |
| Captain (RAN) | CAPT | O-6 | OF-5 |
 |
| Commander | CMDR | O-5 | OF-4 |
 |
| Lieutenant Commander | LCDR | O-4 | OF-3 |
 |
| Chaplain | CHAP | (See note) |
 |
|
| Lieutenant | LEUT | O-3 | OF-2 |
 |
| Sub Lieutenant | SBLT | O-2 | OF-1 |
 |
| Acting Sub Lieutenant | ASLT | O-1 | OF-1 |
 |
| Midshipman | MIDN |
 |
||
| Warrant Officer of the Navy | WO-N | E-9 | OR-9 |
 |
| Warrant Officer | WO | E-9 | OR-9 |
 |
| Chief Petty Officer | CPO | E-8 | OR-8 |
 |
| Petty Officer | PO | E-6 | OR-6 |
 |
| Leading Seaman | LS | E-5 | OR-4 |
 |
| Able Seaman | AB | E-3 | OR-3 |
 |
| Seaman | SMN | E-2 | OR-2 |
 |
