- Unloco - Bruises by Soundtracks
- Unlonely by John Prine
- Unlovable by Darren Hayes
- Unloveable by Smiths, The
- Unloved by Brooks & Dunn
- Unloved by Jackson Browne
- Unloved by Jann Arden
- Unloved Children by Todd Rundgren
- Unlucky In Love by Leo Sayer
- Unlucky Stars by Monkees
- Unmade Bed by Sonic Youth
- Unmarked by Yaz
- Unmarked Helicopters by Soul Coughing
- Unnamed Feeling by Metallica
- Unnecessarity by Krabathor
- Unnoticed by Athenaeum
- Unnoticed by Plumb
- Uno by Muse
- Unopened by Sara Evans
- UnOpened by Sonata Arctica
- Unopened Letter To The World by Ataris, The
- Unopposed by MXPX
- Unplugged by Flaming Lips, The
- Unplugged by James Lynn Strait
- Unpredictable by Keisha Chanté
- Unpredictable by Mystikal
- Unpredictable You by Natalie Cole
- Unpretty by TLC
- Unpretty (remix) by TLC
- Unprodigal Daughter by Alanis Morissette
- Unquestioned Answers by Thrice
- Unquiet by Toad The Wet Sprocket
- Unquiet Slumbers For The Sleepers... by Genesis
- Unravel by Björk
- Unravel by Bjork
- Unravel by Bj?rk
- Unraveled by Ufo
- Unreachable by Ashlee Simpson
- Unreal by Soil
- Unreal by Ill Ni?O
- Unreal by Unkle
- Unreal Everything by Heaven 17
- Unreflected by Mazzy Star
- Unrelated Thing by They Might Be Giants
- Unrequited by Therapy
- Unresolved by Linoleum
- Unrespectable by Outfield
- Unsafe by Channel Zero
- Unsafe Building by Alarm, The
- Unsafe Building (1990) by Alarm, The
- Unsafe Building (live Kbfh) by Alarm, The
- Unsaid by MXPX
- Unsaid Things by McFly
- Unsatisfied by Replacements, The
- Unsaveable by Faith Hill
- Unseen World by Mad Skillz
- Unseen World Pt. Ii by Danja Mowf
- Unsent by Alanis Morissette
- Unsettled Ways by Gordon Lightfoot
