| Unity of inferior |
3 |
| Universal Hall Pass |
25 |
| Universal Order Of Armageddon |
3 |
| Universal Poplab |
32 |
| Universum |
12 |
| Unjust |
42 |
| Unk |
36 |
| Unkle |
8 |
| Unkle Bob |
17 |
| Unknown |
82 |
| Unknown Artist |
103 |
| Unknown Mortal Orchestra |
30 |
| Unladylike |
3 |
| Unleashed |
98 |
| Unleashed Power |
25 |
| Unlike Different |
6 |
| Unloco |
4 |
| Unlord |
33 |
| Unmoored |
12 |
| Unni Wilhelmsen |
11 |
| Uno Svenningsson |
68 |
| Unpredictable New |
6 |
| Unreal |
8 |
| Unrest |
8 |
| Unsane |
6 |
| Unseen |
11 |
| Unshaken |
16 |
| Unshine |
6 |
| Unsilent |
7 |
| Unspoken |
11 |
| Unsraw |
3 |
| Unsun |
4 |
| Unsung Zeros |
46 |
| Unter Null |
4 |
| Untergangskommando |
11 |
| Until Death Overtakes Me |
8 |
| Until Death We Part |
4 |
| Until June |
21 |
| Until The End |
11 |
| Untitled |
6 |
| Unto Ashes |
5 |
| Untoten |
11 |
| Untouchable |
3 |
| Untsakad |
17 |
| Unu |
3 |
| Unwanted Superheroes |
3 |
| Unwound |
39 |
| Unwritten Law |
104 |
| Unzucht |
29 |
| Uomini Di Mare |
9 |
| Up Dharma Down |
14 |
| Up Front |
19 |
| Up Syndrome |
7 |
| Up The Fury |
3 |
| Up Up Down Down Left Right Left Right B A Start |
26 |
| Upa Dance |
9 |
| Upheavel |
7 |
| Upon A Burning Body |
7 |
| Upper Class Trash |
5 |
| Upset Broke |
4 |
| Upsidedown Cross |
3 |
| Upstanding Youth |
6 |
| Uptown Stomp |
11 |
| Uran |
4 |
| Uranium 235 |
5 |
| Urban Clearway |
3 |
| Urban Cone |
12 |
| Urban Cookie Collective |
3 |
| Urban Dance Squad |
34 |
| Urban Dub |
39 |
| Urban Knights |
4 |
| Urban Legend |
14 |
| Urban Mystic |
25 |
| Urban Species |
6 |
| Urban Symphony |
3 |
| Urban Trad |
12 |
| Urban Waste |
3 |
| Urbandub |
26 |
| Urbanus |
23 |
| Ure Midge |
9 |
| Urge |
15 |
| Urge Overkill |
97 |
| Urgehal |
10 |
| Uriah Heep |
337 |
| Uriah Heep 1972 Demons And Wizards |
5 |
| Uriah Heep 1972 Magician's Birthday |
3 |
| Urma |
16 |
| Ursula Rucker |
3 |
| Urszula |
47 |
| Urthboy |
9 |
| Urusei Yatsura |
9 |
| Us 3 |
4 |
| Us Funk Team |
5 |
| Us Maple |
5 |
| Us Over One |
4 |
| Us3 |
22 |
| Used |
10 |
| Used Cars |
11 |
| Used, The |
4 |
| Useless Beauty |
7 |