I-58 
- TYPE: Submarine
- DISPLACEMENT SURFACED: Unknown
- DISPLACEMENT SUBMERGED: 8.5 t (8.6 tnes)
- MACHINERY: 1 550 hp petrol-oxygen engine
- LENGTH: 48 ft (14.73 m)
- BEAM: 3.3 ft (.99 m)
- DRAUGHT: 3.2 ft (.98 m)
- PERFORMANCE SURFACED: 30 knots
- PERFORMANCE SUBMERGED: Unknown
- ARMAMENT: 1 1,55 kg (3,516 lb) HE warhead
- SURFACE RANGE: 50 nm (92 km) at 12 knots;
14 nm (25 km) at 30 knots - CREW: 1
- LAUNCHED: 1944-5