U
- Ubeda, Xavier
- Uchida, S.
- Uchida, T.
- Udawatta, Ranjith P.
- Uddin, M Nehal
- Udyawer, Vinay
- Ugalde, Jesús
- Uhlmann, Vikki
- Uitdenbogerd, D.
- Ujvari, Beata
- Ullrich, N.
- Umbers, Kate
- Undarmaa, Jamsran
- Undenmayer, D.B.
- Undrum, H.
- Unkovich, Murray
- Unmack, Peter J.
- Unwin, Greg
- Upton, M. S.
- Upton, Murray S.
- Upton, Rose
- Urbach, E. R.
- Urban, Sylvia
- Urbinatti, Alberto Matenhauer
- Uren, N.C.
- Uribe-Palomino, Julian
- Urlus, Jake
- Urosevic, Milovan
- Uwins, Philippa JR.
- Uyyanonvara, B.
