German submarine U-1054 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II.

[1] U-1054 was laid down on 30 March 1943 at the F. Krupp Germaniawerft AG yard in Kiel, Germany.

She was launched on 24 February 1944 and commissioned on 25 March 1944 under the command of Oberleutnant zur See Wolfgang Riekeberg.

The submarine was powered by two Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines producing a total of 2,800 to 3,200 metric horsepower (2,060 to 2,350 kW; 2,760 to 3,160 shp) for use while surfaced and two AEG GU 460/8-276 double-acting electric motors producing a total of 750 metric horsepower (550 kW; 740 shp) for use while submerged.

[2] U-1054 was en route to Kiel on 18 August 1944 at 16:30, when she collided with the German hospital ship Peter Wessel in the Baltic Sea at 54°19′N 10°09′E / 54.317°N 10.150°E / 54.317; 10.150.