There are 12 mathematicians whose last name begin with PIEN.
| Piękniewska, Agata | Uniwersytet Mikołaja Kopernika | 2013 |
| Piękniewski, Filip | Uniwersytet Warszawski | 2009 |
| Piękosz, Artur | Uniwersytet Jagielloński | 1999 |
| Pien, Homer | Northeastern University | |
| Pienaar, Etienne | University of Cape Town | 2016 |
| Pienaar, Jacques | Purdue University | 2014 |
| Piene, Ragni | Massachusetts Institute of Technology | 1976 |
| Pieniążek, Leszek | Uniwersytet Jagielloński | 2000 |
| Pienknagura, Samuel | Massachusetts Institute of Technology | 2011 |
| Pieńkowski, Marek | Institute of Mathematics, Polish Academy of Sciences | 1972 |
| Pieńkowski, Stefan | Université de Liège | 1911 |
| Pientka, Brigitte | Carnegie Mellon University | 2003 |