Mona Jarrahi (Persian: مونا جراحی; Jan 1979) is an Iranian Engineering professor at the University of California, Los Angeles.

She investigates novel materials, terahertz/millimeter-wave electronics and optoelectronics, microwave photonics, imaging and spectroscopy systems.

[1] Jarrahi was honored with the Presidential Early Career Award for Scientists and Engineers (PECASE) in 2013 for her work on Terahertz Optoelectronics.

[2] After earning her Ph.D., Jarrahi joined University of Michigan Ann Arbor as an assistant professor (2008–2013).

[2] The use of advanced terahertz imaging systems for early-stage detection of cancerous tumors is a subject she has been working on it.