There are 65 mathematicians whose last name begin with TSI.

Tsia, Chi-Yang University of Michigan 2001
Tsiaflakis, Paschalis Katholieke Universiteit Leuven 2009
Tsiakas, Ilias University of Toronto 2001
Tsiamyrtzis, Panagiotis University of Minnesota - Twin Cities 2000
Tsianco, Michael University of Rochester 1981
Tsiang, Sho-Chieh London School of Economics and Political Science 1945
Tsiantos, Vassilios Victoria University of Manchester 2000
Tsiatas, Alexander University of California, San Diego 2012
Tsiatis, Anastasios University of California, Berkeley 1975
Tsiatsoulis, Zacharias University of Athens 2005
Tsiba, Jean Université Cheikh Anta Diop 2011
Tsibouris, George University of Wisconsin-Madison 1992
Tsichiritzis, Denis Princeton University 1968
Tsichlas, Konstantinos University of Patras 2004
Tsichritzis, Dennis Princeton University 1968
Tsien, Christine Massachusetts Institute of Technology 2000
Tsien, Hsue-Shen California Institute of Technology 1938
Tsiftsi, Thomai University of Durham 2015
Tsigaridas, Elias University of Athens 2007
Tsigas, Marinos Purdue University 1988
Tsigas, Philippas University of Patras 1994
Tsigonias-Dimitriadis, Alexandros Technische Universität München 2022
Tsigroshvili, Z. 1998
Tsikalas, Georgios (George) Washington University in St. Louis 2024
Tsikh, August 1989
Tsikin, Igor St. Petersburg State Polytechnic University 1972
Tsikin, Igor St. Petersburg State Polytechnic University 1964
Tsikkou, Charis Brown University 2009
Tsikos, Constantinos University of Pennsylvania 1987
Tsilevich, Natalia St. Petersburg State University 1998
Tsilifis, Panagiotis University of Southern California 2016
Tsiligianni, Evaggelia University of Ioannina 2015
Tsilopoulos, Christos Athens University of Economics and Business 2016
Tsimerman, Jacob Princeton University 2011
Tsimpis, Dimitrios Yale University 2000
Tsin, Yanghai Carnegie Mellon University 2003
Tsinakis, Constantine University of California, Berkeley 1979
Tsinaridze, Ruslan Batumi Shota Rustaveli State University 2017
Tsinas, Konstantinos University of Crete 2024
Tsing, Nam-Kiu University of Hong Kong 1983
Tsing, Nam-Kiu University of Maryland College Park 1992
Tsingelis, Michael University of Athens 1992
Tsinias, John University of Athens 1983
Tsintsifa, Lydia Universität Siegen 1996
Tsiolakis, Evengelos Rheinisch-Westfälische Technische Hochschule Aachen 1982
Tsionas, Efthymios University of Minnesota - Twin Cities 1994
Tsiotras, Panagiotis Purdue University 1993
Tsioutas, Konstantinos Athens University of Economics and Business 2022
Tsioutsiouliklis, Konstantinos Princeton University 2002
Tsiovkina, Lyudmila 2012
Tsiporin, Viktor Georg-August-Universität Göttingen 2004
Tsipras, Dimitris 2021
Tsirakis, Nikos 2010
Tsirelson, Boris St. Petersburg State University 1975
Tsiriga, Victoria University of Piraeus 2003
Tsirogiannis, Constantinos Technische Universiteit Eindhoven 2011
Tsironis, George University of Rochester 1987
Tsirulnikov, Bella Tel Aviv University 1981
Tsishchanka, Kiryl Institute of Mathematics, National Academy of Sciences of Belarus 1998
Tsitkin, Aleksandr Academy of Sciences of Moldova 1979
Tsitlanadze, Elizbar Lomonosov Moscow State University
Tsitovich, Ivan Lomonosov Moscow State University 1978
Tsitsas, Nikolaos National Technical University of Athens 2006
Tsitsiklis, John Massachusetts Institute of Technology 1985
Tsitskishvili, Revaz Ivane Javakhishvili Tbilisi State University 1994