The First Flotilla was a naval formation of the British Royal Navy commanded by the Flag Officer, First Flotilla from 1971 to 1990.

Within this new structure three rear-admirals' appointments were created, the Flag Officer First Flotilla, Flag Officer Second Flotilla and Flag Officer, Carriers and Amphibious Ships.

[1] In 1990 the First, Second and Third Flotillas were unified to create a single formation called the Surface Flotilla.

The Flag Officer, First Flotilla (FOF1) [2] was a senior Royal Navy post that existed from 1971 to 1990.

Post holders included:[3][4][5] Note: the office is re-designated Flag Officer, Surface Flotilla.