All WWI U-boats

This is a listing of all commissioned German and Austrian U-boats during World War One (WWI).

U 1, U 2, U 3, U 4, U 5, U 6, U 7, U 8, U 9, U 10, U 11, U 12, U 13, U 14, U 15, U 16, U 17, U 18, U 19, U 20, U 21, U 22, U 23, U 24, U 25, U 26, U 27, U 28, U 29, U 30, U 31, U 32, U 33, U 34, U 35, U 36, U 37, U 38, U 39, U 40, U 41, U 43, U 44, U 45, U 46, U 47, U 48, U 49, U 50, U 51, U 52, U 53, U 54, U 55, U 56, U 57, U 58, U 59, U 60, U 61, U 62, U 63, U 64, U 65, U 66, U 67, U 68, U 69, U 70, U 71, U 72, U 73, U 74, U 75, U 76, U 77, U 78, U 79, U 80, U 81, U 82, U 83, U 84, U 85, U 86, U 87, U 88, U 89, U 90, U 91, U 92, U 93, U 94, U 95, U 96, U 97, U 98, U 99, U 100, U 101, U 102, U 103, U 104, U 105, U 106, U 107, U 108, U 109, U 110, U 111, U 112, U 113, U 114, U 117, U 118, U 119, U 120, U 122, U 123, U 124, U 125, U 126, U 135, U 136, U 137, U 138, U 139, U 140, U 141, U 142, U 151, U 152, U 153, U 154, U 155, U 156, U 157, U 160, U 161, U 162, U 163, U 164, U 165, U 166, U 167.

UB coastal boats
UB 1, UB 2, UB 3, UB 4, UB 5, UB 6, UB 7, UB 8, UB 9, UB 10, UB 11, UB 12, UB 13, UB 14, UB 15, UB 16, UB 17, UB 18, UB 19, UB 20, UB 21, UB 22, UB 23, UB 24, UB 25, UB 26, UB 27, UB 28, UB 29, UB 30, UB 31, UB 32, UB 33, UB 34, UB 35, UB 36, UB 37, UB 38, UB 39, UB 40, UB 41, UB 42, UB 43, UB 44, UB 45, UB 46, UB 47, UB 48, UB 49, UB 50, UB 51, UB 52, UB 53, UB 54, UB 55, UB 56, UB 57, UB 58, UB 59, UB 60, UB 61, UB 62, UB 63, UB 64, UB 65, UB 66, UB 67, UB 68, UB 69, UB 70, UB 71, UB 72, UB 73, UB 74, UB 75, UB 76, UB 77, UB 78, UB 79, UB 80, UB 81, UB 82, UB 83, UB 84, UB 85, UB 86, UB 87, UB 88, UB 89, UB 90, UB 91, UB 92, UB 93, UB 94, UB 95, UB 96, UB 97, UB 98, UB 99, UB 100, UB 101, UB 102, UB 103, UB 104, UB 105, UB 106, UB 107, UB 108, UB 109, UB 110, UB 111, UB 112, UB 113, UB 114, UB 115, UB 116, UB 117, UB 118, UB 119, UB 120, UB 121, UB 122, UB 123, UB 124, UB 125, UB 126, UB 127, UB 128, UB 129, UB 130, UB 131, UB 132, UB 142, UB 143, UB 144, UB 145, UB 133, UB 136, UB 148, UB 149, UB 150, UB 154, UB 155.

UC coastal minelayer boats
UC 1, UC 2, UC 3, UC 4, UC 5, UC 6, UC 7, UC 8, UC 9, UC 10, UC 11, UC 12, UC 13, UC 14, UC 15, UC 16, UC 17, UC 18, UC 19, UC 20, UC 21, UC 22, UC 23, UC 24, UC 25, UC 26, UC 27, UC 28, UC 29, UC 30, UC 31, UC 32, UC 33, UC 34, UC 35, UC 36, UC 37, UC 38, UC 39, UC 40, UC 41, UC 42, UC 43, UC 44, UC 45, UC 46, UC 47, UC 48, UC 49, UC 50, UC 51, UC 52, UC 53, UC 54, UC 55, UC 56, UC 57, UC 58, UC 59, UC 60, UC 61, UC 62, UC 63, UC 64, UC 65, UC 66, UC 67, UC 68, UC 69, UC 70, UC 71, UC 72, UC 73, UC 74, UC 75, UC 76, UC 77, UC 78, UC 79, UC 90, UC 91, UC 92, UC 93, UC 94, UC 95, UC 96, UC 97, UC 98, UC 99, UC 100, UC 101, UC 102, UC 103, UC 104, UC 105.

UA
UA.

Austrian boats
k.u.k. U1, k.u.k. U10, k.u.k. U11, k.u.k. U12, k.u.k. U14, k.u.k. U15, k.u.k. U16, k.u.k. U17, k.u.k. U2, k.u.k. U20, k.u.k. U21, k.u.k. U22, k.u.k. U23, k.u.k. U27, k.u.k. U28, k.u.k. U29, k.u.k. U3, k.u.k. U30, k.u.k. U31, k.u.k. U32, k.u.k. U4, k.u.k. U40, k.u.k. U41, k.u.k. U43, k.u.k. U47, k.u.k. U5, k.u.k. U6