| Captain | |
|---|---|
&sq=Google&lang=en&file=File:UK-Navy-OF-5-collected.svg) A Royal Navy captain's rank insignia | |
&sq=Google&lang=en&file=File:HMS_Vanguard%27s_Port_ship%27s_company,_Divisions,_Jan_2013_01.jpg) A Royal Navy captain's rank insignia (left, with a lieutenant at right) during divisions conducted at HMNB Clyde in January 2013. | |
| Country | United Kingdom |
| Service branch |  Royal Navy |
| Abbreviation | Capt |
| NATO rank code | OF-5 |
| Next higher rank | Commodore |
| Next lower rank | Commander |
| Equivalent ranks | |
Captain (Capt) is a senior officer rank of the Royal Navy. It ranks above commander and below commodore and has a NATO ranking code of OF-5. The rank is equivalent to a colonel in the British Army and Royal Marines, and to a group captain in the Royal Air Force. There are similarly named equivalent ranks in the navies of many other countries.