- U. Von Grafenstein
- Ubelmann Clement
- Ubelmann Clément
- Uccellini L.
- Uchino Osamu
- Uchino Osamu
- Uchiyama T.
- Uchiyama Y.
- Udisti R.
- Udisti Roberto
- Udry S.
- Udry Stéphane
- Udry Stéphane
- Udy Danielle
- Ueda Manabu
- Ueda Y.
- Ueda Yoshiaki
- Uemura Ryu
- Ueyama Kohei
- Ueyama Rei
- Uijlenhoet R.
- Ujihara Hideki
- Ulamec Stephan
- Ulanovsky A.
- Ulanovsky Alexey
- Ullmann Albin
- Ullmann Kirk
- Ullrich Dieter
- Ullrich Markus
- Ullrich P. A.
- Ullrich Paul A.
- Ulmet L.
- Ulmet Laurent
- Ulmet Laurent
- Ulrich O.
- Umurhan O. M.
- Umurhan O.M. M
- Umurhan O.M.
- Umurhan Orkan M.
- Unal A.
- Ung Anthony
- Unga Florin
- Ungermann Jörn
- Uogintas Domas
- Upadhyay Manas V
- Upadhyay Manas Vijay