The ranks in the Pakistan Navy, from highest to lowest, are:

1. Admiral
2. Vice Admiral
3. Rear Admiral
4. Commodore
5. Captain
6. Commander
7. Lieutenant Commander
8. Lieutenants
9. Sub-Lieutenants
10. Acting Sub-Lieutenants
11. Midshipmen
12. Warrant Officer
13. Chief Petty Officer
14. Petty Officer
15. Leading Rate
16. Able Rate
17. Ordinary Rate

Please note that this information might be subject to change as per the rules and regulations of Pakistan Navy.