History
German Empire
Name	U-137
Ordered	27 May 1916
Builder	Kaiserliche Werft Danzig
Launched	16 December 1916
Commissioned	8 January 1918
Fate	Unknown
General characteristics [1]
Class and type	Type U 127 submarine
Displacement	1,175 t (1,156 long tons) surfaced 1,534 t (1,510 long tons) submerged
Length	83.50 m (273 ft 11 in) o/a 65.75 m (215 ft 9 in) pressure hull
Beam	7.54 m (24 ft 9 in) o/a 4.85 m (15 ft 11 in) pressure hull
Height	9.46 m (31 ft)
Draught	4.26 m (14 ft 0 in)
Installed power	2 × MAN diesel engines, 3,400 bhp (2,500 kW) total 2 × diesel generators for surface dash, 890 bhp (660 kW) total 2 × electric motors, 1,670 shp (1,240 kW) total
Propulsion	2 × propeller shafts
Speed	17 knots (31 km/h; 20 mph) surfaced 9.1 knots (16.9 km/h; 10.5 mph) submerged
Range	10,000 nmi (19,000 km; 12,000 mi) at 8 knots (15 km/h; 9.2 mph) surfaced 50 nmi (93 km; 58 mi) at 4.5 knots (8.3 km/h; 5.2 mph) submerged
Test depth	75 m (246 ft)
Complement	44 men
Armament	6 × torpedo tubes (4 bow, 2 stern) 16 × torpedoes 1 × 15 cm (5.9 in) SK L/45 deck gun with 220 rounds 1 × 8.8 cm (3.5 in) SK L/30 deck gun
Service record
Operations:	None
Victories:	None

SM U-137^{[Note 1]} was a Type U 127 U-boat of the Imperial German Navy during World War I. Her construction was ordered on 27 May 1916 and her keel was laid down by Kaiserliche Werft Danzig. She was launched on 16 December 1916 and she was commissioned on 8 January 1918. She made no war patrols.^[2]

• Gröner, Erich; Jung, Dieter; Maass, Martin (1991). U-boats and Mine Warfare Vessels. German Warships 1815–1945. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN 0-85177-593-4.