The following seminars in mathematics are currently taught at ISTA:
| Algebraic Geometry and Topology Seminar Hosts: Xujia Chen, Tamás Hausel |
| Combinatorics, Geometry and Topology Seminar Hosts: Herbert Edelsbrunner, Matthew Kwan, Uli Wagner |
| DynamIST Seminar Host: Vadim Kaloshin |
| Mathphys Analysis Seminar Hosts: Laszlo Erdös, Julian Fischer, Jan Maas, Robert Seiringer |
| Mathematics Colloquium Hosts: Laszlo Erdös, Uli Wagner |
| Number Theory Seminar Host: Tim Browning |
| Vienna Probability Seminar Hosts: Laszlo Erdös, Jan Maas |
| Discrete Analysis Days Hosts: Tim Browning, Matt Kwan, Lena Wurzinger |