Most successful U-boats in the Mediterranean

The following table shows the most successful U-boats in the Mediterranean. Warships are included in these figures. 40 of the 62 boats that operated in the theater sank one or more ships. The data only includes ships attacked on or after the day the boat entered the Mediterranean.

  U-boat Successes Arrival Loss date Days active
1.U-81
15 patrols  		25 ships sunk (64,133 tons)
1 ship damaged (6,671 tons)		12 Nov 19419 Jan 1944788
2.U-410
4 patrols  		8 ships sunk (46,516 tons)
6 May 194311 Mar 1944310
3.U-371
17 patrols  		9 ships sunk (42,451 tons)
6 ships damaged (30,572 tons)		21 Sep 19414 May 1944956
4.U-331
9 patrols  		2 ships sunk (40,235 tons)
1 ship damaged (372 tons)		29 Sep 194117 Nov 1942414
5.U-593
13 patrols  		13 ships sunk (39,253 tons)
2 ships damaged (1,677 tons)		11 Oct 194213 Dec 1943428
6.U-407
12 patrols  		4 ships sunk (34,068 tons)
3 ships damaged (24,107 tons)		10 Nov 194219 Sep 1944679
7.U-73
10 patrols  		4 ships sunk (31,629 tons)
3 ships damaged (22,928 tons)		14 Jan 194216 Dec 1943701
8.U-596
11 patrols  		11 ships sunk (31,015 tons)
2 ships damaged (14,180 tons)		9 Nov 194224 Sep 1944685
9.U-562
7 patrols  		4 ships sunk (28,234 tons)
1 ship damaged (3,359 tons)		27 Nov 194119 Feb 1943449
10.U-77
10 patrols  		13 ships sunk (27,161 tons)
4 ships damaged (8,264 tons)		16 Dec 194129 Mar 1943468
11.U-453
17 patrols  		11 ships sunk (25,829 tons)
2 ships damaged (16,610 tons)		9 Dec 194121 May 1944894
12.U-565
18 patrols  		5 ships sunk (18,337 tons)
2 ships damaged (17,565 tons)		16 Nov 194124 Sep 19441043
13.U-380
10 patrols  		2 ships sunk (18,247 tons)
1 ship damaged (7,191 tons)		11 Nov 194211 Mar 1944486
14.U-559
8 patrols  		6 ships sunk (17,404 tons)
26 Sep 194130 Oct 1942399
15.U-97
9 patrols  		7 ships sunk (16,114 tons)
26 Sep 194116 Jun 1943628
16.U-617
7 patrols  		7 ships sunk (15,310 tons)
8 Nov 194212 Sep 1943308
17.U-372
4 patrols  		1 ship sunk (14,650 tons)
9 Dec 19414 Aug 1942238
18.U-375
11 patrols  		9 ships sunk (14,378 tons)
1 ship damaged (2,650 tons)		9 Dec 194125 Jul 1943593
19.U-969
2 patrols  		2 ships sunk (14,352 tons)
3 Feb 19446 Aug 1944185
20.U-652
7 patrols  		5 ships sunk (13,515 tons)
28 Nov 19412 Jun 1942186
21.U-561
12 patrols  		3 ships sunk (11,793 tons)
1 ship damaged (4,043 tons)		15 Jan 194212 Jul 1943543
22.U-557
2 patrols  		2 ships sunk (9,252 tons)
26 Nov 194116 Dec 194120
23.U-409
2 patrols  		2 ships sunk (8,772 tons)
5 Jun 194312 Jul 194337
24.U-431
14 patrols  		8 ships sunk (8,342 tons)
2 ships damaged (4,010 tons)		24 Nov 194121 Oct 1943696
25.U-223
4 patrols  		3 ships sunk (8,205 tons)
26 Sep 194330 Mar 1944186
26.U-952
3 patrols  		1 ship sunk (7,176 tons)
4 Jan 19445 Jul 1944183
27.U-83
10 patrols  		5 ships sunk (6,477 tons)
1 ship damaged (2,590 tons)		18 Dec 19414 Mar 1943441
28.U-414
2 patrols  		1 ship sunk (5,979 tons)
1 ship damaged (7,134 tons)		9 Apr 194325 May 194346
29.U-205
10 patrols  		1 ship sunk (5,450 tons)
11 Nov 194117 Feb 1943463
30.U-573
3 patrols  		1 ship sunk (5,289 tons)
20 Dec 19412 May 1942133
31.U-230
5 patrols  		3 ships sunk (3,585 tons)
5 Dec 194321 Aug 1944260
32.U-443
2 patrols  		2 ships sunk (2,679 tons)
5 Dec 194223 Feb 194380
33.U-75
2 patrols  		3 ships sunk (2,331 tons)
3 Oct 194128 Dec 194186
34.U-616
8 patrols  		2 ships sunk (2,181 tons)
2 ships damaged (17,754 tons)		5 May 194317 May 1944378
35.U-755
4 patrols  		2 ships sunk (2,075 tons)
8 Nov 194228 May 1943201
36.U-133
4 patrols  		1 ship sunk (1,920 tons)
23 Dec 194114 Mar 194281
37.U-602
3 patrols  		1 ship sunk (1,540 tons)
8 Dec 194219 Apr 1943132
38.U-967
2 patrols  		1 ship sunk (1,300 tons)
14 Feb 194419 Aug 1944187
39.U-374
2 patrols  		2 ships sunk (992 tons)
11 Dec 194112 Jan 194232
40.U-568
3 patrols  		1 ship sunk (925 tons)
10 Dec 194128 May 1942169
41.U-79
3 patrols  		1 ship sunk (625 tons)
5 Oct 194123 Dec 194179

U-boats in the Mediterranean