Songi Han is an American chemist who is a professor in the department of chemistry and biochemistry at Northwestern University.

Her research considers electron and nuclear spins as sensors and detectors.

Han attended the University of Cologne as an undergraduate, where she majored in chemistry.

[1] She moved to the RWTH Aachen University, where she investigated magnetic resonance.

Her work on dynamic nuclear polarization has enabled new probes for monitoring biological processes.