There are 69 mathematicians whose last name begin with UD.
| Uda, Kenneth | Loughborough University | 2015 |
| Uda, Yoshitaka | Iowa State University | 1993 |
| Udagedara, Indika | Clarkson University | 2017 |
| Udalov, A. S. | Saratov State University | 1963 |
| Udaltsova, Irina | University of California, Davis | 2014 |
| Uday, Payuna | Purdue University | 2015 |
| Udayabaskaran, S. | Indian Institute of Technology, Madras | 1981 |
| Udayakumaran, Sumesh | University of Maryland College Park | 2006 |
| Udaykumar, H. | University of Florida | 1994 |
| Uddin, Izhar | Aligarh Muslim University | 2014 |
| Uddin, Md. | University of Pune | 2006 |
| Uddin, Md. | Sultan Qaboos University | 2017 |
| Uddin, Mohammad Afser | University of Texas at Dallas | 2024 |
| Uddin, Mohammed | University of Maryland College Park | 2008 |
| Uddin, Molla | University of South Carolina | 2001 |
| Uddin, Monir M. | Otto-von-Guericke-Universität Magdeburg | 2015 |
| Uddin, Mudassir | University of Aberdeen | 1999 |
| Uddin, Muhammad Fahim | University of Bridgeport | 2018 |
| Uddin, Nizam | Old Dominion University | 1989 |
| Uddin, Reaz | 2014 | |
| Uddin, Siraj | ||
| Uddin, Zia | University of Florida | 2004 |
| Ud Din, Shoaib | Aberystwyth University | 1980 |
| Udding, Anne | Rijksuniversiteit Groningen | 1968 |
| Udding, Jan | Technische Universiteit Eindhoven | 1984 |
| Udeani, Cyril | Comenius University | 2024 |
| Udell, Kent | ||
| Udell, Michael | California Institute of Technology | 1996 |
| Udell, Jr., Jon | Stanford University | 1988 |
| Udenio Castro, Maximiliano | Technische Universiteit Eindhoven | 2014 |
| Udevitz, Mark | North Carolina State University | 1990 |
| Udiani, Oyita | Arizona State University | 2016 |
| Udin, Harry | Massachusetts Institute of Technology | 1949 |
| Udink, Rob | Universiteit Utrecht | 1995 |
| Udink ten Cate, Alexander | Landbouwuniversiteit Wageningen | 1983 |
| Udinski, William | University of Illinois at Urbana-Champaign | 1922 |
| Udinsky, Flavian | ||
| Udjiani, Titi | Universitas Gadjah Mada | 2016 |
| Udo, Margareth | Universidade Federal de Santa Catarina | 2004 |
| Udodova, Olga | Vasyl Karazin Kharkiv National University | 2004 |
| Udomchatpitak, Nantawat | University of California, San Diego | 2019 |
| Udomene, Ani | University of Nigeria | 2002 |
| Udomkavanich, Patanee | The Pennsylvania State University | 1984 |
| Udomlertsakul, Nathapon | University of Missouri - Columbia | 2022 |
| Udomsaph, Charles | University of California, Berkeley | 2004 |
| Udovenko, Aleksei | Université du Luxembourg | 2019 |
| Udovenko, Sergiy | Kharkiv National University of Radioelectronics | 1977 |
| Udovenko, Sergiy | Kharkiv National University of Radioelectronics | 2003 |
| Udovic, J. Daniel | Cornell University | 1973 |
| Udovich, Joshua | 2008 | |
| Udovichenko, Vladimir | Kharkiv National University of Radioelectronics | 1969 |
| Udovicic, Zlatko | University of Sarajevo | 2010 |
| Udovičić, Enes | University of Belgrade | 1980 |
| Udovičić, Mirna | University of Novi Sad | 2014 |
| Udovitch, Abraham | Yale University | 1965 |
| Udoye, Adaobi | University of Ibadan | 2019 |
| Udpikar, S. | Panjab University, Chandigarh | 1987 |
| Udrea, Bogdan | The University of Iowa | 2012 |
| Udrea, Christian | University of Craiova | 2014 |
| Udrea, Diana | University of Craiova | 2013 |
| Udrea, Gheorghe | Institute of Mathematics of the Romanian Academy | 1998 |
| Udriste, Constantin | Babeş-Bolyai University | 1971 |
| Udry, Christopher | Yale University | 1991 |
| Udry, Stéphane | Université de Genève | 1992 |
| Udupa, Abhishek | University of Pennsylvania | 2016 |
| Udupa, Jayaram | ||
| Udupi, Yathiraj | North Carolina State University | 2008 |
| Udwadia, Firdaus | California Institute of Technology | 1972 |
| Udwani, Rajan | Massachusetts Institute of Technology | 2018 |