120 guns:
- Gundeck: 30 × 32 pdrs, 2 × 68-pdr carronades
- Middle gundeck: 34 × 32 pdrs
- Upper gundeck: 34 × 32 pdrs
- Quarterdeck: 2 × 18 pdrs, 14 × 32 pdr carronades
- Forecastle: 2 × 18 pdrs, 2 × 32 pdr carronades
HMS St George was a 120-gun first rate ship of the line of the Royal Navy, launched on 27 August 1840 at Plymouth.
She was fitted with screw propulsion in 1859, and was sold out of the service in 1883.