Thelma Pressman (10 April 1921 – 10 August 2010, Rancho Mirage, California) was a pioneering microwave cooking consultant, product development consultant, and cookbook author.
In 1969 she opened the first microwave cooking school in the United States.
After her retirement to the Palm Springs area, she was a founder of the Palm Springs chapter of Les Dames d'Escoffier International and led restaurant tours throughout the Coachella Valley.
She was often called "the Julia Child of microwave cooking".