- Undisclosed Desires prod. by Chris Wolstenholme, Dominic Howard & Matt Bellamy
- Undisclosed Desires (The Big Pink Remix) prod. by Chris Wolstenholme, Dominic Howard & Matt Bellamy
- Undisclosed Desires (Thin White Duke Remix) prod. by Stuart Price
- Undisclosed Desires (Thin White Duke Remix Edit)
- Unintended prod. by Paul Reeve
- Unintended (Muscle Museum EP Version)
- United States of Eurasia (+Collateral Damage) prod. by Chris Wolstenholme, Dominic Howard & Matt Bellamy
- Unnatural Selection prod. by Chris Wolstenholme, Dominic Howard & Matt Bellamy
- Uno prod. by Paul Reeve
- Uno (Alternate Version)
- Uno (Live)
- Uno (Live, The Pyramid Centre, Portsmouth, 1999) prod. by John Leckie
- Untitled
- Uprising prod. by Chris Wolstenholme, Dominic Howard & Matt Bellamy
- Uprising (Does It Offend You Yeah Remix) prod. by Chris Wolstenholme, Dominic Howard & Matt Bellamy
- Uprising (Live)
- Uprising (Live From Teignmouth) prod. by Chris Wolstenholme, Dominic Howard & Matt Bellamy
- Uprising (Rome Olympic Stadium)