Ephraim Cutter (September 1, 1832 – April 25, 1917) was a United States physician and inventor.

He was a pioneer of laryngology in the United States and discovered the tuberculosis cattle test in 1894.

[2] He invented a large number of surgical instruments; contributed over 400 articles to literature on scientific subjects, including microscopic medicine, laryngology, chronic diseases, and general medicine; and became a member of the Massachusetts Medical Society in 1856, and of the American Medical Association in 1871.

He studied the morphology of raw beef from 1854 and discovered the tuberculosis cattle test in 1894.

He made investigations into electrotherapeutics, in 1871 demonstrating that galvanic currents could reach deep into the body.