Otto Herbert Schmitt (April 6, 1913 – January 6, 1998) was an American inventor, engineer, and biophysicist known for his scientific contributions to biophysics and for establishing the field of biomedical engineering. Schmitt also coined the term biomimetics and invented or co-invented the Schmitt trigger, the differential amplifier, and the chopper-stabilized amplifier. He was elected in 1953 a Fellow of the American Physical Society. He was awarded the John Price Wetherill Medal in 1972.