Authors
- Peter Underwood
- Priscilla Underwood
- Richard Underwood
- Rory Underwood
- Terry Underwood 11
- Janice May Undry
- Sigrid Undset
- Arthur C. Unger
- Merrill F. Unger
- Michael Unger
- Richard W. Unger
- Tomi Ungerer 1
- Mike Ungersma 1
- C. Ungerson
- Clare Ungerson
- Claus Ungewitter
- Krisztian Ungvary
- Union Of Post Office Workers
- Union Pacific
- United States Bureau Of Labour
- House Of Representatives United States Congress
- Joint Economic Committee United States Congress
- Office Of International Investment United States International Commerce Bureau
- United Stone Firms
- Philip Unitt 1
- Unknown
- Lee Unkrich 1
- Edith Unnerstad
- Hiroshi Unno
- Hiroyuki Uno
- William A. Unrau
- Al Unser
- Bobby Unser
- Jerry Unser
- Louie Unser
- J.F. Unstead
- J.K. Unstead
- R.J. Unstead
- Barry Unsworth
- Walt Unsworth
- Walter Unsworth
- Louis Untemyer
- Michaela Unterdorfer
- Dieter Untergasser
- A. Unterman
- Bryna Ivens Untermeyer
- Louis Untermeyer
- David M. Unwin
- Frank Unwin
- George Unwin 1
- Harry Unwin
- Hilary Unwin
- Mike Unwin
- Nora S. Unwin
- Philip Unwin
- Philipeter Unwin 1
- Richard J. Unwin
- Stanley Unwin
- W. Cawthorne Unwin
- F.W. Up De Graff
- S.C. Upadhyaya
- Boyd Upchurch
- William Upcott
- Eleanor Updale 4
- D.B. Updike 1
- David Updike
- J. Updike
- John Updike 1
- Arthur Upfield
- Elizabeth Upham
- Chris Uphill
- Tim Upietz
- Ulrich Upietz
- Marion Upington
- Lizbeth Upitis
- Dorothy Upson
- Dorothy B. Upson
- Ralph H. Upson
- Rev. Dom. Wilfrid Upson
- Tim Upson 1
- Robert Upstone
- Bertha Upton 11
- Brian Upton
- Chris Upton
- Clive Upton
- Florence Upton
- John Upton
- John R. Upton
- Neil Upton
- Peter Upton
- Philip Upton
- Richard Upton 1
- Roger Upton
- Rosemary Upton
- Vernon Upton
- J.M. Upton-Ward
- Emil K. Urban 2
- Joseph Urban
- Mark Urban
- Sylvanus Urban 4