Cynthia Szigeti (Los Angeles, Califòrnia, 26 d’octubre de 1949 - Los Angeles, Califòrnia, 10 d’agost de 2016) va ser una actriu còmica i professora d'actuació nord-americana, coneguda pel seu treball als Groundlings, un grup i una escola de comèdia d'improvisació i sketches a Los Angeles i l'ACME Comedy Theatre.

Cynthia Szigeti (October 26, 1949 – August 10, 2016) was an American comic actress and acting teacher, known for her work at the Groundlings, an improv and sketch comedy troupe and school in Los Angeles, and the ACME Comedy Theatre. Her students included Adam Carolla, Will Forte, Lisa Kudrow, Joel McHale, Conan O'Brien and Julia Sweeney. Her professional acting credits included National Lampoon's European Vacation, as well as roles in Seinfeld and Curb Your Enthusiasm.