- The time and day vary for the Department Colloquia. Phil Boyland is the Chair of the Colloquium Committee.
- Algebra Seminar, Alex Turrull
- Analysis Seminar
- Applied and Numerical Analysis, Sara Pollock
- Biomathematics Seminar,, Subhorn Khonthapagdee
- Combinatorics Seminar, Michael Engen
- Graduate Mathematics Association Seminar
- Graduate Student Topology Seminar, Sasha Dranishnikov.
- History of Mathematics, Douglas Pfeffer
- Imaging Seminar, Hao Zhang
- Logic Seminar, Ethan McCarthy
- Number Theory Seminar, Alexander Berkovich.
- SIAM/Numerical Analysis Seminar, J. J. Zhu
- Topology and Dynamics Seminar, Sasha Dranishnikov.