| 
| History | 
| Nazi Germany | 
| Name | U-564 | 
| Ordered | 24 October 1939 | 
| Builder | Blohm & Voss, Hamburg | 
| Yard number | 540 | 
| Laid down | 30 March 1940 | 
| Launched | 7 February 1941 | 
| Commissioned | 3 April 1941 | 
| Fate | Sunk on 14 June 1943 | 
| General characteristics | 
| Class & type | Type VIIC U-boat | 
| Displacement |  | 
| Length |  | 
| Beam | 
- 6.20 m (20 ft 4 in) o/a
 
- 4.70 m (15 ft 5 in) pressure hull
 
  | 
| Draught | 4.74 m (15 ft 7 in) | 
| Installed power | 
- 2,800–3,200 PS (2,100–2,400 kW; 2,800–3,200 bhp) (diesels)
 
- 750 PS (550 kW; 740 shp) (electric)
 
  | 
| Propulsion |  | 
| Speed | 
- 17.7 knots (32.8 km/h; 20.4 mph) surfaced
 
- 7.6 knots (14.1 km/h; 8.7 mph) submerged
 
  | 
| Range | 
- 8,500 nmi (15,700 km; 9,800 mi) surfaced
 
- 80 nmi (150 km; 92 mi) submerged
 
  | 
| Test depth | 
- 230 m (750 ft)
 
- Calculated crush depth: 250–295 m (820–968 ft)
 
  | 
| Complement | 44 to 52 officers and ratings | 
| Armament |  | 
| Service record | 
| Part of: | 
 | 
| Identification codes: | 
M 40 175 | 
| Commanders: | 
 | 
| Operations: | 
- 9 patrols:
 
- 1st patrol:
 
- 17 June – 27 July 1941
 
- 2nd patrol:
 
- 16 – 27 August 1941
 
- 3rd patrol:
 
- a. 16 September – 1 November 1941
 
- b. 11 – 12 January 1942
 
- 4th patrol:
 
- 18 January – 6 March 1942
 
- 5th patrol:
 
- 4 April – 6 June 1942
 
- 6th patrol:
 
- 9 July – 18 September 1942
 
- 7th patrol:
 
- 27 October – 30 December 1942
 
- 8th patrol:
 
- 11 March – 15 April 1943
 
- 9th patrol: 
 
- a. 15 – 17 May 1943
 
- b. 31 May – 3 June 1943
 
- c. 9 – 14 June 1943
 
  | 
| Victories: | 
- 18 merchant ships sunk 
 (95,544 GRT) 
- 1 warship sunk 
 (900 tons) 
- 4 merchant ships damaged 
 (28,907 GRT) 
  | 
German submarine U-564 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during the Second World War. The RAF sank her in the Bay of Biscay on 14 June 1943.