There are 89 mathematicians whose last name begin with RYA.

Ryabchikova, I. Vasyl Karazin Kharkiv National University 1956
Ryabenkii, Victor Lomonosov Moscow State University 1952
Ryabīchev, Vyacheslav Institute of Mathematics of the National Academy of Sciences of Ukraine 2006
Ryabko, Daniil Sobolev Institute of Mathematics, Novosibirsk 2003
Ryabko, Daniil Royal Holloway, University of London 2005
Ryabogin, Dmitry Hebrew University of Jerusalem 2000
Ryabov, Grigory Sobolev Institute of Mathematics, Novosibirsk 2019
Ryabov, Grigory Novosibirsk State University 2019
Ryabov, Vladimir Jyväskylän yliopisto 2002
Ryabtseva, Natalia Voronezh State University 2008
Ryabtseva, V. Vasyl Karazin Kharkiv National University 1968
Ryabtsov, Igor Voronezh State University 2012
Ryabukhin, Yurii Kishinev State University 1965
Ryabukho, Elena Taras Shevchenko National University of Kyiv 1993
Ryadi, Syarif Rijksuniversiteit Groningen 2012
Ryall, Michael University of California, Los Angeles 1997
Ryals, Megan North Carolina State University 2014
Ryan, A. University of York 1982
Ryan, (Anthony) University of York 1982
Ryan, Barbara Cornell University 1968
Ryan, Barry California Institute of Technology 1993
Ryan, Brenda University of London 2009
Ryan, Brian
Ryan, Caitriona University College Dublin 2014
Ryan, Ciaran National University of Ireland, Maynooth 1962
Ryan, Daniel University of Sydney 2008
Ryan, Daniel University of Miami 2011
Ryan, David University of Newcastle upon Tyne 2010
Ryan, David Australian National University 1971
Ryan, Dennis University of Illinois at Chicago 1982
Ryan, Dermot University College Dublin 2001
Ryan, Donald University of Texas at Austin 1964
Ryan, Elizabeth Queensland University of Technology 2014
Ryan, Elizabeth Clarkson University 1992
Ryan, Eugene University of Cambridge 1975
Ryan, Fintan California Institute of Technology 1997
Ryan, Francis Purdue University 1965
Ryan, Frank Rice University 1965
Ryan, Gene
Ryan, Gerard New Jersey Institute of Technology 2020
Ryan, Harris Cornell University 1887
Ryan, James Yale University 1970
Ryan, Jeffrey New York University 2015
Ryan, Jennifer Brown University 2003
Ryan, Joe
Ryan, John Texas A&M University 2004
Ryan, John Cornell University 2022
Ryan, John University of California, Berkeley 1984
Ryan, John University of California, Los Angeles 2012
Ryan, John University College Cork 2002
Ryan, Justin M. Wichita State University 2014
Ryan, Kara Saint Louis University 1984
Ryan, Kathleen Lehigh University 2013
Ryan, Kenneth Iowa State University 2001
Ryan, Kevin Brown University 1984
Ryan, Louise Harvard University 1983
Ryan, Mark University of Oregon 2011
Ryan, Mark Université Paris Diderot - Paris 7 1992
Ryan, Matthew Yale University 1998
Ryan, Michael University of Texas at Austin 1974
Ryan, Michael Columbia University 1996
Ryan, Nathan University of Colorado at Boulder 2004
Ryan, Nathan Dartmouth College 2005
Ryan, Niall University of Limerick 2011
Ryan, Pamela University of South Carolina
Ryan, Patrick Brown University 1968
Ryan, Peter Dartmouth College 1970
Ryan, Peter Queen Mary, University of London 1982
Ryan, Philip University of California, Berkeley 1997
Ryan, Pierce University College Cork 2023
Ryan, P. Josie University of South Carolina 2004
Ryan, Raymond Trinity College, Dublin 1980
Ryan, Reade New York University 1996
Ryan, Robert Stanford University 1986
Ryan, Robert California Institute of Technology 1960
Ryan, Sarah University of Michigan 1988
Ryan, Sean Lancaster University 2020
Ryan, Shawn The Pennsylvania State University 2014
Ryan, Sinead The University of Edinburgh 1996
Ryan, Stephen Duke University 2005
Ryan, Stephen Kent State University 2001
Ryan, Stephen Dartmouth College 1999
Ryan, Timothy University of Illinois at Chicago 2016
Ryan, Tom Cornell University 1968
Ryang, Dohyoung University of Alabama-Tuscaloosa 2005
Ryan, Jr., Michael University of Maryland College Park 1970
Ryaskin, Alexander Russian Academy of Sciences Siberian Branch 1989
Ryavec, Charles University of Michigan 1967
Ryazanov, Vladimir Institute of Applied Mathematics and Mechanics, National Academy of Sciences of Ukraine 1983