Martin Ransohoff (born November 30, 1926) is a cinema and television producer, and member of the Ransohoff family.
Ransohoff was born in New Orleans, Louisiana in 1926. He founded the film production company Filmways, Inc. in 1960 and remained with the company until 1972. Filmways started making TV commercials, moved into documentaries then sitcoms; by 1963 Filmways were making $13 million a year. In 1972 he became an independent producer.
He attempted to "create" female movie stars during the 1960s; the actresses who achieved the greatest success under his tutelage were Ann-Margret, Tuesday Weld and Sharon Tate, who featured in several of his films from 1964 until her death in 1969. He is a cousin of neurosurgeon Joseph Ransohoff.