SM U-105[Note 1] was one of the 329 submarines serving in the Imperial German Navy in World War I. U-105 was engaged in the naval warfare and took part in the First Battle of the Atlantic.

After the war she was ceded to France, where the unit served as Jean Autric until being scrapped in 1938.

[3] On 17 October 1917, SM U-105 met Antilles, an American troop transport, during the return leg of a voyage to Europe.

[5] A total of 67 persons were killed in the sinking,[4] making the destruction of Antilles the event costing the single greatest number of American lives in the war to that date.

[1] When submerged, she could operate for 50 nautical miles (93 km; 58 mi) at 5 knots (9.3 km/h; 5.8 mph); when surfaced, she could travel 9,280 nautical miles (17,190 km; 10,680 mi) at 8 knots (15 km/h; 9.2 mph).