There are 27 mathematicians whose last name begin with CIU.
| Ciubotaru, Dan | Cornell University | 2004 |
| Ciuca, Marian-George | Universitatea Ovidius Constanta | 2009 |
| Ciucci, Francesco | California Institute of Technology | 2009 |
| Ciuciu, Philippe | Université Paris-Sud XI - Orsay | 2000 |
| Ciucu, Florin | University of Virginia | 2007 |
| Ciucu, George | University of Bucharest | 1957 |
| Ciucu, Mihai | University of Michigan | 1996 |
| Ciufolini, Ignazio | University of Texas at Austin | 1984 |
| Ciuiu, Daniel | University of Bucharest | 2006 |
| Ciuk, David | Michigan State University | 2011 |
| Ciulcu, Claudiu Sorin | University of Craiova | 2005 |
| Ciulli, Sorin | IFIN-HH Horia Hulubei National Institute of Physics and Nuclear Engineering | 1968 |
| Ciumara, Roxana | University of Bucharest | 2007 |
| Ciungu, Lavinia | University of Bucharest | 2007 |
| Ciungu, Lavinia | State University of New York at Buffalo | 2010 |
| Ciupa, Alexandra | Babeş-Bolyai University | 1995 |
| Ciupa, Ilinca | ETH Zürich | 2008 |
| Ciupala, Catalin | Transilvania University of Brasov | 2005 |
| Ciupala, Laura | University of Bucharest | 2006 |
| Ciupe, Stanca | University of Michigan | 2005 |
| Ciuperca, Alin | University of Toronto | 2008 |
| Ciuperca, Ionel | Université Paris-Sud XI - Orsay | 1995 |
| Ciupercă, Cătălin | University of Kansas | 2001 |
| Ciurcea, Raluca | University of Craiova | 2010 |
| Ciurea, Florian | Simon Fraser University | 2004 |
| Ciurria, Iara | Stanford University | 1989 |
| Ciuti, Piero | Università di Pisa | 1963 |